forks/gldragon: glxdragon.cpp annotate

annotate glxdragon.cpp @ 15:2d2aadfa3df3

Fix calculation of totalFrames.

author	Matti Hamalainen <ccr@tnsp.org>
date	Tue, 29 Oct 2019 12:51:25 +0200
parents	62be2036f604
children	c134a186912f

rev	line source
3 be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	1 //
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	2 // Copyright (c) 2009, Thomas Trummer
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	3 // All rights reserved.
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	4 //
3 be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	5 // Port to libSDL2 and cleanups by Matti Hämäläinen <ccr@tnsp.org>
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	6 // (C) Copyright 2019 Tecnic Software productions (TNSP)
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	7 //
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	8 // Redistribution and use in source and binary forms, with or without
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	9 // modification, are permitted provided that the following conditions are met:
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	10 // * Redistributions of source code must retain the above copyright
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	11 // notice, this list of conditions and the following disclaimer.
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	12 // * Redistributions in binary form must reproduce the above copyright
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	13 // notice, this list of conditions and the following disclaimer in the
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	14 // documentation and/or other materials provided with the distribution.
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	15 // * Neither the name of the <organization> nor the
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	16 // names of its contributors may be used to endorse or promote products
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	17 // derived from this software without specific prior written permission.
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	18 //
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	19 // THIS SOFTWARE IS PROVIDED BY Thomas Trummer ''AS IS'' AND ANY
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	20 // EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	21 // WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	22 // DISCLAIMED. IN NO EVENT SHALL <copyright holder> BE LIABLE FOR ANY
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	23 // DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	24 // (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	25 // LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	26 // ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	27 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	28 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
3 be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	29 //
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	30
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	31 #include <SDL.h>
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	32 #include <SDL_opengl.h>
3 be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	33 #include <GL/glu.h>
6 4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	34 #include <GL/glext.h>
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	35
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	36 #include <iostream>
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	37 #include <fstream>
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	38 #include <string>
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	39 #include <vector>
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	40 #include <cstdio>
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	41
11 89dc8caeff41 Improve option handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 10 diff changeset	42 /* Default settings etc. constants
89dc8caeff41 Improve option handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 10 diff changeset	43 */
89dc8caeff41 Improve option handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 10 diff changeset	44 #define SET_DEF_WIDTH 1280
89dc8caeff41 Improve option handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 10 diff changeset	45 #define SET_DEF_HEIGHT 960
13 c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	46 #define SET_FRAMES (180)
3 be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	47
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	48
11 89dc8caeff41 Improve option handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 10 diff changeset	49 /* Structures
89dc8caeff41 Improve option handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 10 diff changeset	50 */
3 be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	51 struct Mesh
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	52 {
5 5dcae4dddcd9 Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 3 diff changeset	53 int nvertices, nfaces;
3 be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	54 std::vector<float> vertices;
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	55 std::vector<unsigned> faces;
6 4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	56
12 52a586c344f4 Add option -m<filename prefix> to specify mesh/shader filename prefix. Matti Hamalainen <ccr@tnsp.org> parents: 11 diff changeset	57 GLuint id_prog, id_fs, id_vs;
3 be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	58 };
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	59
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	60
11 89dc8caeff41 Improve option handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 10 diff changeset	61 /* Options
89dc8caeff41 Improve option handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 10 diff changeset	62 */
89dc8caeff41 Improve option handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 10 diff changeset	63 bool optUseShaders = false;
89dc8caeff41 Improve option handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 10 diff changeset	64 int optWidth = SET_DEF_WIDTH,
13 c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	65 optHeight = SET_DEF_HEIGHT,
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	66 optVSyncMode = 1;
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	67
12 52a586c344f4 Add option -m<filename prefix> to specify mesh/shader filename prefix. Matti Hamalainen <ccr@tnsp.org> parents: 11 diff changeset	68 std::string optModelPrefix = "dragon";
11 89dc8caeff41 Improve option handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 10 diff changeset	69
89dc8caeff41 Improve option handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 10 diff changeset	70
89dc8caeff41 Improve option handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 10 diff changeset	71 /* Globals
89dc8caeff41 Improve option handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 10 diff changeset	72 */
89dc8caeff41 Improve option handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 10 diff changeset	73 SDL_Window *dmWindow = NULL;
89dc8caeff41 Improve option handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 10 diff changeset	74 SDL_GLContext dmGLContext = NULL;
89dc8caeff41 Improve option handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 10 diff changeset	75
89dc8caeff41 Improve option handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 10 diff changeset	76
5 5dcae4dddcd9 Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 3 diff changeset	77 bool dmInitSDLGL(const int width, const int height, const char *title)
3 be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	78 {
13 c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	79 int ret;
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	80 std::string msg;
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	81
6 4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	82 // Set GL attributes
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	83 SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 2);
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	84 SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 1);
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	85 SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_CORE);
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	86
2 b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	87 SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 24);
b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	88 SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	89
6 4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	90 // Attempt to initialize libSDL
3 be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	91 if (SDL_Init(SDL_INIT_VIDEO \| SDL_INIT_TIMER \| SDL_INIT_EVENTS) != 0)
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	92 {
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	93 printf("ERROR: Unable to initialize SDL: %s\n",
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	94 SDL_GetError());
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	95 return false;
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	96 }
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	97
6 4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	98 // Attempt to create a window
8 628c42e94149 Clean up variable names. Matti Hamalainen <ccr@tnsp.org> parents: 7 diff changeset	99 if ((dmWindow = SDL_CreateWindow(title,
3 be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	100 SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED,
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	101 width, height,
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	102 SDL_WINDOW_OPENGL \| SDL_WINDOW_SHOWN \| SDL_WINDOW_RESIZABLE)) == NULL)
2 b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	103 {
3 be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	104 printf("ERROR: Could not create SDL window: %s",
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	105 SDL_GetError());
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	106 return false;
2 b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	107 }
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	108
8 628c42e94149 Clean up variable names. Matti Hamalainen <ccr@tnsp.org> parents: 7 diff changeset	109 if ((dmGLContext = SDL_GL_CreateContext(dmWindow)) == NULL)
3 be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	110 {
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	111 printf("ERROR: Unable to create SDL OpenGL context: %s\n",
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	112 SDL_GetError());
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	113 return false;
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	114 }
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	115
13 c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	116 // Check if we want to attempt to use vsync
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	117 switch (optVSyncMode)
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	118 {
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	119 case 3:
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	120 ret = SDL_GL_SetSwapInterval(-1);
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	121 msg = "adaptive vsync";
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	122 break;
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	123
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	124 case 2:
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	125 ret = SDL_GL_SetSwapInterval(1);
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	126 msg = "synchronized (vsync)";
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	127 break;
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	128
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	129 case 1:
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	130 ret = SDL_GL_SetSwapInterval(0);
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	131 msg = "immediate (no vsync)";
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	132 break;
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	133
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	134 default:
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	135 ret = -1;
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	136 msg = "INVALID VSYNC MODE";
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	137 break;
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	138 }
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	139
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	140 if (ret != 0)
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	141 {
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	142 printf("ERROR: Could not set vsync mode to %s.\n",
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	143 msg.c_str());
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	144 return false;
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	145 }
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	146
6 4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	147 // Dump some information
3 be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	148 printf(
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	149 "GL_VENDOR : %s\n"
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	150 "GL_RENDERER : %s\n"
13 c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	151 "GL_VERSION : %s\n"
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	152 "VSync mode : %s\n",
3 be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	153 glGetString(GL_VENDOR),
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	154 glGetString(GL_RENDERER),
13 c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	155 glGetString(GL_VERSION),
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	156 msg.c_str());
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	157
2 b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	158 // Setup the window and view port
3 be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	159 glViewport(0, 0, width, height);
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	160
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	161 glMatrixMode(GL_PROJECTION);
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	162 glLoadIdentity();
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	163
3 be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	164 gluPerspective(45.0f, GLfloat(width) / GLfloat(height), 0.1f, 1000.0f);
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	165
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	166 glMatrixMode(GL_MODELVIEW);
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	167 glLoadIdentity();
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	168
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	169
2 b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	170 // Enable back face culling
b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	171 glEnable(GL_CULL_FACE);
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	172
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	173 // Enable smooth shading
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	174 glShadeModel(GL_SMOOTH);
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	175
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	176 // Enable the depth buffer
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	177 glEnable(GL_DEPTH_TEST);
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	178
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	179 // Setup depth buffer
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	180 glClearDepth(1.0f);
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	181
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	182 // Set the depth buffer function
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	183 glDepthFunc(GL_LEQUAL);
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	184
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	185 // Enable vertex and and normal arrays
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	186 glEnableClientState(GL_VERTEX_ARRAY);
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	187 glEnableClientState(GL_NORMAL_ARRAY);
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	188
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	189 // Set correct perspective correction
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	190 glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);
3 be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	191
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	192 return true;
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	193 }
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	194
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	195
5 5dcae4dddcd9 Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 3 diff changeset	196 void dmDrawModelVA(const Mesh &mesh)
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	197 {
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	198 int maxIndices;
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	199
2 b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	200 glGetIntegerv(GL_MAX_ELEMENTS_INDICES, &maxIndices);
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	201
2 b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	202 glVertexPointer(3, GL_FLOAT, 24, &mesh.vertices[0]);
b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	203 glNormalPointer(GL_FLOAT, 24, &mesh.vertices[3]);
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	204
5 5dcae4dddcd9 Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 3 diff changeset	205 for (int n = 0; n < mesh.nfaces; n += maxIndices)
2 b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	206 {
5 5dcae4dddcd9 Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 3 diff changeset	207 const int count = std::min(maxIndices, int(mesh.nfaces - n));
3 be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	208 glDrawElements(GL_TRIANGLES, count * 3, GL_UNSIGNED_INT, &mesh.faces[n * 3]);
2 b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	209 }
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	210 }
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	211
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	212
5 5dcae4dddcd9 Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 3 diff changeset	213 void dmPaintGL(Mesh &mesh)
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	214 {
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	215 glClear(GL_DEPTH_BUFFER_BIT);
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	216
2 b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	217 glMatrixMode(GL_PROJECTION);
b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	218 glPushMatrix();
b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	219 glLoadIdentity();
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	220
2 b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	221 glOrtho(0.0, 1.0, 0.0, 1.0, -1, 1);
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	222
2 b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	223 glMatrixMode(GL_MODELVIEW);
b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	224 glPushMatrix();
b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	225 glLoadIdentity();
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	226
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	227
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	228 glDisable(GL_DEPTH_TEST);
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	229 glDisable(GL_LIGHTING);
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	230
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	231 // Draw the background gradient
2 b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	232 glBegin(GL_QUADS);
b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	233 {
b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	234 glColor3ub(0x3B, 0x3B, 0x75);
b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	235 glVertex2f(0.0f, 0.0f);
b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	236 glVertex2f(1.0f, 0.0f);
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	237
2 b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	238 glColor3ub(0x00, 0x00, 0x00);
b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	239 glVertex2f(1.0f, 1.0f);
b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	240 glVertex2f(0.0f, 1.0f);
b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	241 }
b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	242 glEnd();
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	243
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	244
2 b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	245 // Restore the 3D projection
b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	246 glMatrixMode(GL_PROJECTION);
b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	247 glPopMatrix();
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	248
2 b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	249 glMatrixMode(GL_MODELVIEW);
b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	250 glPopMatrix();
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	251
3 be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	252 glEnable(GL_DEPTH_TEST);
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	253
6 4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	254 // Render the model
8 628c42e94149 Clean up variable names. Matti Hamalainen <ccr@tnsp.org> parents: 7 diff changeset	255 if (optUseShaders)
6 4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	256 {
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	257 // Enable shader program
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	258 glUseProgram(mesh.id_prog);
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	259 dmDrawModelVA(mesh);
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	260 glUseProgram(0);
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	261 }
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	262 else
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	263 {
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	264 // Set the color of the model
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	265 glEnable(GL_LIGHTING);
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	266 glColor3ub(0x90, 0x80, 0x90);
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	267 dmDrawModelVA(mesh);
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	268 }
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	269 }
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	270
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	271
6 4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	272 bool dmReadText(const std::string &filename, std::string &tstr)
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	273 {
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	274 std::ifstream in(filename.c_str());
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	275
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	276 if (!in.is_open())
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	277 {
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	278 printf("ERROR: Unable to open file '%s'.\n",
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	279 filename.c_str());
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	280 return false;
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	281 }
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	282
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	283 in.seekg(0, std::ios::end);
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	284 tstr.reserve(in.tellg());
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	285 in.seekg(0, std::ios::beg);
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	286
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	287 tstr.assign((std::istreambuf_iterator<char>(in)), std::istreambuf_iterator<char>());
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	288
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	289 return true;
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	290 }
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	291
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	292
14 62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	293 bool dmLoadMesh(const std::string &filename, const std::string &infofilename, Mesh &mesh)
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	294 {
14 62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	295 std::ifstream info(infofilename.c_str());
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	296 int required = 0, nline = 0;
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	297
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	298 printf("INFO: Trying to read mesh meta from '%s'.\n",
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	299 infofilename.c_str());
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	300
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	301 if (!info.is_open())
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	302 {
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	303 printf("ERROR: Unable to open file '%s'.\n",
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	304 infofilename.c_str());
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	305 return false;
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	306 }
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	307
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	308 while (required != 0x03)
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	309 {
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	310 std::string tmp;
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	311 int value;
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	312 char key;
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	313
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	314 // Read one line
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	315 if (!std::getline(info, tmp))
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	316 {
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	317 printf("ERROR: Could not read from file '%s'.\n",
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	318 infofilename.c_str());
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	319 return false;
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	320 }
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	321
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	322 nline++;
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	323
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	324 // Skip empty lines and comments
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	325 if (tmp.empty() \|\| tmp.substr(0, 1) == "#")
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	326 continue;
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	327
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	328 if (sscanf(tmp.c_str(), "%c:%d", &key, &value) != 2)
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	329 {
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	330 printf("ERROR: Syntax error in '%s' line #%d\n'%s'\n",
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	331 infofilename.c_str(),
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	332 nline,
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	333 tmp.c_str());
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	334 return false;
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	335 }
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	336
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	337 switch (key)
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	338 {
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	339 case 'v':
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	340 mesh.nvertices = value;
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	341 required \|= 0x01;
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	342 break;
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	343
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	344 case 'f':
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	345 mesh.nfaces = value;
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	346 required \|= 0x02;
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	347 break;
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	348
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	349 default:
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	350 printf("ERROR: Syntax error in '%s' line #%d\nUnknown key value '%c'.\n",
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	351 infofilename.c_str(),
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	352 nline,
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	353 key);
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	354 break;
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	355 }
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	356 }
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	357
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	358 if (mesh.nvertices < 3 \|\| mesh.nfaces < 1)
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	359 {
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	360 printf("ERROR: Invalid nvertices (%d) and/or nfaces (%d) in '%s'.\n",
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	361 mesh.nvertices, mesh.nfaces,
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	362 infofilename.c_str());
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	363 return false;
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	364 }
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	365
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	366 printf("INFO: %d vertices, %d faces\n", mesh.nvertices, mesh.nfaces);
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	367 printf("INFO: Trying to read mesh data from '%s'.\n",
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	368 filename.c_str());
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	369
3 be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	370 std::ifstream in(filename.c_str(), std::ios::binary);
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	371
2 b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	372 if (!in.is_open())
b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	373 {
6 4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	374 printf("ERROR: Unable to open file '%s'.\n",
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	375 filename.c_str());
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	376 return false;
2 b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	377 }
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	378
5 5dcae4dddcd9 Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 3 diff changeset	379 mesh.vertices.resize(mesh.nvertices * 6);
5dcae4dddcd9 Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 3 diff changeset	380 in.read(reinterpret_cast<char>(&mesh.vertices[0]), mesh.nvertices 6 * 4);
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	381
5 5dcae4dddcd9 Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 3 diff changeset	382 mesh.faces.resize(mesh.nfaces * 3);
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	383
8 628c42e94149 Clean up variable names. Matti Hamalainen <ccr@tnsp.org> parents: 7 diff changeset	384 for (int i = 0; i < mesh.nfaces; i++)
2 b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	385 {
b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	386 in.seekg(1, std::ios::cur);
b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	387 in.read(reinterpret_cast<char>(&mesh.faces[i 3]), 3 * 4);
b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	388 }
6 4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	389
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	390 return true;
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	391 }
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	392
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	393
8 628c42e94149 Clean up variable names. Matti Hamalainen <ccr@tnsp.org> parents: 7 diff changeset	394 GLuint dmCompileShader(const GLenum stype, const std::string &src)
6 4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	395 {
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	396 GLuint shader = glCreateShader(stype);
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	397 const char *tmp = src.c_str();
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	398
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	399 glShaderSource(shader, 1, &tmp, 0);
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	400 glCompileShader(shader);
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	401
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	402 return shader;
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	403 }
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	404
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	405
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	406 void dmLinkMeshShaders(Mesh &mesh)
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	407 {
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	408 mesh.id_prog = glCreateProgram();
12 52a586c344f4 Add option -m<filename prefix> to specify mesh/shader filename prefix. Matti Hamalainen <ccr@tnsp.org> parents: 11 diff changeset	409 glAttachShader(mesh.id_prog, mesh.id_fs);
6 4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	410 glAttachShader(mesh.id_prog, mesh.id_vs);
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	411 glLinkProgram(mesh.id_prog);
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	412 }
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	413
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	414
6 4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	415 int main(int argc, char *argv[])
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	416 {
12 52a586c344f4 Add option -m<filename prefix> to specify mesh/shader filename prefix. Matti Hamalainen <ccr@tnsp.org> parents: 11 diff changeset	417 std::string modelVertStr, modelFragStr;
52a586c344f4 Add option -m<filename prefix> to specify mesh/shader filename prefix. Matti Hamalainen <ccr@tnsp.org> parents: 11 diff changeset	418 struct Mesh modelMesh;
8 628c42e94149 Clean up variable names. Matti Hamalainen <ccr@tnsp.org> parents: 7 diff changeset	419 bool exitFlag = false, optShowHelp = false;
13 c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	420 int startTime, cycleStart, cycleFrames = 0, totalFrames = 0;
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	421 double totalTime;
6 4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	422
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	423 // Check commandline argument for enabling shaders
7 95dd5417e7de Add simple help. Matti Hamalainen <ccr@tnsp.org> parents: 6 diff changeset	424 for (int narg = 1; narg < argc; narg++)
95dd5417e7de Add simple help. Matti Hamalainen <ccr@tnsp.org> parents: 6 diff changeset	425 {
95dd5417e7de Add simple help. Matti Hamalainen <ccr@tnsp.org> parents: 6 diff changeset	426 char *arg = argv[narg];
11 89dc8caeff41 Improve option handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 10 diff changeset	427 if (arg[0] == '-')
89dc8caeff41 Improve option handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 10 diff changeset	428 {
89dc8caeff41 Improve option handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 10 diff changeset	429 char *opt = arg + 1;
89dc8caeff41 Improve option handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 10 diff changeset	430
89dc8caeff41 Improve option handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 10 diff changeset	431 if ((opt[0] == '-' && opt[1] == 'h' && opt[2] == 'e') \|\|
12 52a586c344f4 Add option -m<filename prefix> to specify mesh/shader filename prefix. Matti Hamalainen <ccr@tnsp.org> parents: 11 diff changeset	432 opt[0] == '?' \|\| (opt[0] == '-' && opt[1] == '?'))
11 89dc8caeff41 Improve option handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 10 diff changeset	433 {
89dc8caeff41 Improve option handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 10 diff changeset	434 optShowHelp = true;
89dc8caeff41 Improve option handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 10 diff changeset	435 break;
89dc8caeff41 Improve option handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 10 diff changeset	436 }
89dc8caeff41 Improve option handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 10 diff changeset	437 else
89dc8caeff41 Improve option handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 10 diff changeset	438 if (opt[0] == '-')
89dc8caeff41 Improve option handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 10 diff changeset	439 opt++;
89dc8caeff41 Improve option handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 10 diff changeset	440
89dc8caeff41 Improve option handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 10 diff changeset	441 if (opt[0] == 'g')
89dc8caeff41 Improve option handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 10 diff changeset	442 optUseShaders = true;
89dc8caeff41 Improve option handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 10 diff changeset	443 else
13 c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	444 switch (opt[0])
12 52a586c344f4 Add option -m<filename prefix> to specify mesh/shader filename prefix. Matti Hamalainen <ccr@tnsp.org> parents: 11 diff changeset	445 {
13 c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	446 case 'w':
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	447 case 'h':
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	448 case 'm':
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	449 case 'v':
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	450 if (opt[1] == 0)
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	451 {
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	452 printf("Option '%s' requires an argument.\n", opt);
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	453 goto exit;
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	454 }
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	455
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	456 switch (opt[0])
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	457 {
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	458 case 'w': optWidth = atoi(opt + 1); break;
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	459 case 'h': optHeight = atoi(opt + 1); break;
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	460 case 'm': optModelPrefix = std::string(opt + 1); break;
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	461 case 'v': optVSyncMode = atoi(opt + 1); break;
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	462 }
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	463 break;
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	464
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	465 default:
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	466 printf("Unknown option '%s'.\n", opt);
12 52a586c344f4 Add option -m<filename prefix> to specify mesh/shader filename prefix. Matti Hamalainen <ccr@tnsp.org> parents: 11 diff changeset	467 goto exit;
52a586c344f4 Add option -m<filename prefix> to specify mesh/shader filename prefix. Matti Hamalainen <ccr@tnsp.org> parents: 11 diff changeset	468 }
11 89dc8caeff41 Improve option handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 10 diff changeset	469 }
7 95dd5417e7de Add simple help. Matti Hamalainen <ccr@tnsp.org> parents: 6 diff changeset	470 }
95dd5417e7de Add simple help. Matti Hamalainen <ccr@tnsp.org> parents: 6 diff changeset	471
8 628c42e94149 Clean up variable names. Matti Hamalainen <ccr@tnsp.org> parents: 7 diff changeset	472 if (optShowHelp)
7 95dd5417e7de Add simple help. Matti Hamalainen <ccr@tnsp.org> parents: 6 diff changeset	473 {
95dd5417e7de Add simple help. Matti Hamalainen <ccr@tnsp.org> parents: 6 diff changeset	474 printf(
11 89dc8caeff41 Improve option handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 10 diff changeset	475 "Usage: %s [options]\n"
12 52a586c344f4 Add option -m<filename prefix> to specify mesh/shader filename prefix. Matti Hamalainen <ccr@tnsp.org> parents: 11 diff changeset	476 "-? Show this help\n"
52a586c344f4 Add option -m<filename prefix> to specify mesh/shader filename prefix. Matti Hamalainen <ccr@tnsp.org> parents: 11 diff changeset	477 "-g Use GLSL shader instead of basic OpenGL lighting\n"
52a586c344f4 Add option -m<filename prefix> to specify mesh/shader filename prefix. Matti Hamalainen <ccr@tnsp.org> parents: 11 diff changeset	478 "-w<width> Window width (default %d)\n"
52a586c344f4 Add option -m<filename prefix> to specify mesh/shader filename prefix. Matti Hamalainen <ccr@tnsp.org> parents: 11 diff changeset	479 "-h<height> Window height (default %d)\n"
52a586c344f4 Add option -m<filename prefix> to specify mesh/shader filename prefix. Matti Hamalainen <ccr@tnsp.org> parents: 11 diff changeset	480 "-m<modelfile> Set model filenames prefix. Using \"-mfoo\" will\n"
52a586c344f4 Add option -m<filename prefix> to specify mesh/shader filename prefix. Matti Hamalainen <ccr@tnsp.org> parents: 11 diff changeset	481 " specify \"foo.mesh\", \"foo.frag\", \"foo.vert\".\n"
13 c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	482 "-v<1-3> Set vsync mode: 1 = no vsync, 2 = vsync, 3 = adaptive\n"
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	483 " Default is no vsync.\n"
11 89dc8caeff41 Improve option handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 10 diff changeset	484 "\n",
89dc8caeff41 Improve option handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 10 diff changeset	485 argv[0],
89dc8caeff41 Improve option handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 10 diff changeset	486 SET_DEF_WIDTH, SET_DEF_HEIGHT
89dc8caeff41 Improve option handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 10 diff changeset	487 );
89dc8caeff41 Improve option handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 10 diff changeset	488
7 95dd5417e7de Add simple help. Matti Hamalainen <ccr@tnsp.org> parents: 6 diff changeset	489 goto exit;
95dd5417e7de Add simple help. Matti Hamalainen <ccr@tnsp.org> parents: 6 diff changeset	490 }
6 4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	491
13 c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	492 if (optWidth < 100 \|\| optWidth > 8192 \|\| optHeight < 100 \|\| optHeight > 8192)
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	493 {
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	494 printf("ERROR: Invalid window width or height (%d x %d).\n",
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	495 optWidth, optHeight);
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	496 goto exit;
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	497 }
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	498
12 52a586c344f4 Add option -m<filename prefix> to specify mesh/shader filename prefix. Matti Hamalainen <ccr@tnsp.org> parents: 11 diff changeset	499 if (optModelPrefix.empty())
52a586c344f4 Add option -m<filename prefix> to specify mesh/shader filename prefix. Matti Hamalainen <ccr@tnsp.org> parents: 11 diff changeset	500 {
52a586c344f4 Add option -m<filename prefix> to specify mesh/shader filename prefix. Matti Hamalainen <ccr@tnsp.org> parents: 11 diff changeset	501 printf("Model file prefix empty.\n");
52a586c344f4 Add option -m<filename prefix> to specify mesh/shader filename prefix. Matti Hamalainen <ccr@tnsp.org> parents: 11 diff changeset	502 goto exit;
52a586c344f4 Add option -m<filename prefix> to specify mesh/shader filename prefix. Matti Hamalainen <ccr@tnsp.org> parents: 11 diff changeset	503 }
52a586c344f4 Add option -m<filename prefix> to specify mesh/shader filename prefix. Matti Hamalainen <ccr@tnsp.org> parents: 11 diff changeset	504
14 62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	505 if (!dmLoadMesh(optModelPrefix + ".mesh", optModelPrefix + ".info", modelMesh))
6 4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	506 goto exit;
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	507
8 628c42e94149 Clean up variable names. Matti Hamalainen <ccr@tnsp.org> parents: 7 diff changeset	508 if (optUseShaders)
2 b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	509 {
6 4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	510 // Read shader files
12 52a586c344f4 Add option -m<filename prefix> to specify mesh/shader filename prefix. Matti Hamalainen <ccr@tnsp.org> parents: 11 diff changeset	511 if (!dmReadText(optModelPrefix + ".frag", modelFragStr) \|\|
52a586c344f4 Add option -m<filename prefix> to specify mesh/shader filename prefix. Matti Hamalainen <ccr@tnsp.org> parents: 11 diff changeset	512 !dmReadText(optModelPrefix + ".vert", modelVertStr))
6 4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	513 goto exit;
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	514 }
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	515
6 4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	516 // Initialize SDL + OpenGL
11 89dc8caeff41 Improve option handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 10 diff changeset	517 if (!dmInitSDLGL(optWidth, optHeight, "GLXDragon2"))
6 4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	518 goto exit;
3 be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	519
6 4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	520 // According to our mode ..
8 628c42e94149 Clean up variable names. Matti Hamalainen <ccr@tnsp.org> parents: 7 diff changeset	521 if (optUseShaders)
6 4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	522 {
12 52a586c344f4 Add option -m<filename prefix> to specify mesh/shader filename prefix. Matti Hamalainen <ccr@tnsp.org> parents: 11 diff changeset	523 modelMesh.id_fs = dmCompileShader(GL_FRAGMENT_SHADER, modelFragStr);
52a586c344f4 Add option -m<filename prefix> to specify mesh/shader filename prefix. Matti Hamalainen <ccr@tnsp.org> parents: 11 diff changeset	524 modelMesh.id_vs = dmCompileShader(GL_VERTEX_SHADER, modelVertStr);
52a586c344f4 Add option -m<filename prefix> to specify mesh/shader filename prefix. Matti Hamalainen <ccr@tnsp.org> parents: 11 diff changeset	525 dmLinkMeshShaders(modelMesh);
6 4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	526 }
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	527 else
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	528 {
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	529 float specReflection[] = { 0.8f, 0.8f, 0.8f, 1.0f };
3 be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	530
6 4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	531 glEnable(GL_COLOR_MATERIAL);
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	532
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	533 glColorMaterial(GL_FRONT, GL_AMBIENT_AND_DIFFUSE);
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	534 glMateriali(GL_FRONT, GL_SHININESS, 96);
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	535
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	536 glMaterialfv(GL_FRONT, GL_SPECULAR, specReflection);
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	537
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	538 glEnable(GL_LIGHT0);
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	539
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	540 // Define the light components and position
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	541 GLfloat ambient[] = { 0.2f, 0.2f, 0.2f, 1.0f };
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	542 GLfloat diffuse[] = { 0.8f, 0.8f, 0.8f, 1.0f };
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	543 GLfloat specular[] = { 0.5f, 0.5f, 0.5f, 1.0f };
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	544 GLfloat position[] = { 10.0f, 10.0f, 0.0f, 0.0f };
3 be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	545
6 4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	546 // Define the light components and position
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	547 glLightfv(GL_LIGHT0, GL_AMBIENT, ambient);
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	548 glLightfv(GL_LIGHT0, GL_DIFFUSE, diffuse);
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	549 glLightfv(GL_LIGHT0, GL_SPECULAR, specular);
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	550 glLightfv(GL_LIGHT0, GL_POSITION, position);
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	551 }
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	552
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	553 // Define the camera
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	554 gluLookAt(0, 0.12, 0.24, 0, 0.12, 0, 0, 1, 0);
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	555
3 be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	556
6 4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	557 // Main loop starts
13 c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	558 startTime = cycleStart = SDL_GetTicks();
6 4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	559
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	560 while (!exitFlag)
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	561 {
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	562 SDL_Event event;
3 be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	563
6 4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	564 // Check for quit events
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	565 while (SDL_PollEvent(&event))
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	566 switch (event.type)
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	567 {
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	568 case SDL_QUIT:
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	569 exitFlag = true;
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	570 break;
3 be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	571
6 4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	572 case SDL_KEYDOWN:
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	573 switch (event.key.keysym.sym)
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	574 {
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	575 case SDLK_ESCAPE:
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	576 case SDLK_q:
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	577 exitFlag = true;
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	578 break;
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	579 }
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	580 }
3 be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	581
6 4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	582 // Render the next frame
12 52a586c344f4 Add option -m<filename prefix> to specify mesh/shader filename prefix. Matti Hamalainen <ccr@tnsp.org> parents: 11 diff changeset	583 dmPaintGL(modelMesh);
6 4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	584
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	585 // Draw the current frame
8 628c42e94149 Clean up variable names. Matti Hamalainen <ccr@tnsp.org> parents: 7 diff changeset	586 SDL_GL_SwapWindow(dmWindow);
3 be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	587
6 4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	588 // Rotate for 2 degrees
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	589 glRotatef(2.0f, 0, 1, 0);
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	590
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	591 // Return true if a full rotation was done
15 2d2aadfa3df3 Fix calculation of totalFrames. Matti Hamalainen <ccr@tnsp.org> parents: 14 diff changeset	592 totalFrames++;
13 c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	593 if (cycleFrames++ == SET_FRAMES)
6 4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	594 {
13 c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	595 // Reset cycleFrames
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	596 cycleFrames = 0;
3 be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	597
6 4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	598 // Get the time it took to render a full turn
13 c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	599 int cycleEnd = SDL_GetTicks();
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	600 double cycleTime = cycleEnd - cycleStart;
10 c6c419861101 Use SDL_GetTicks() instead of std::clock(). Matti Hamalainen <ccr@tnsp.org> parents: 8 diff changeset	601
c6c419861101 Use SDL_GetTicks() instead of std::clock(). Matti Hamalainen <ccr@tnsp.org> parents: 8 diff changeset	602 // Restart the timer
13 c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	603 cycleStart = SDL_GetTicks();
3 be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	604
6 4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	605 // Print the current frames per second
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	606 printf("%.1lf ms for %d frames = %.1lf FPS\n",
13 c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	607 cycleTime, SET_FRAMES, (SET_FRAMES * 1000.0f) / cycleTime);
3 be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	608 }
2 b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	609 }
6 4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	610
13 c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	611 // Show totals
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	612 totalTime = SDL_GetTicks() - startTime;
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	613 printf("%.1lf ms total for %d total frames = %.2lf FPS average\n",
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	614 totalTime, totalFrames, (totalFrames * 1000.0f) / totalTime);
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	615
6 4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	616 exit:
8 628c42e94149 Clean up variable names. Matti Hamalainen <ccr@tnsp.org> parents: 7 diff changeset	617 if (dmGLContext != NULL)
628c42e94149 Clean up variable names. Matti Hamalainen <ccr@tnsp.org> parents: 7 diff changeset	618 SDL_GL_DeleteContext(dmGLContext);
5 5dcae4dddcd9 Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 3 diff changeset	619
8 628c42e94149 Clean up variable names. Matti Hamalainen <ccr@tnsp.org> parents: 7 diff changeset	620 if (dmWindow != NULL)
628c42e94149 Clean up variable names. Matti Hamalainen <ccr@tnsp.org> parents: 7 diff changeset	621 SDL_DestroyWindow(dmWindow);
6 4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	622
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	623 SDL_Quit();
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	624
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	625 return 0;
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	626 }

Mercurial > hg > forks > gldragon

annotate glxdragon.cpp @ 15:2d2aadfa3df3