forks/gldragon: glxdragon.cpp annotate

annotate glxdragon.cpp @ 17:0fa9302e324d

Cleanup.

author	Matti Hamalainen <ccr@tnsp.org>
date	Tue, 05 Nov 2019 10:48:22 +0200
parents	c134a186912f
children	b1e75c65016d

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
16 c134a186912f Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 15 diff changeset	42
11 89dc8caeff41 Improve option handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 10 diff changeset	43 /* Default settings etc. constants
89dc8caeff41 Improve option handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 10 diff changeset	44 */
16 c134a186912f Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 15 diff changeset	45 #define SET_DEF_WIDTH 1280
c134a186912f Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 15 diff changeset	46 #define SET_DEF_HEIGHT 960
c134a186912f Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 15 diff changeset	47 #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	48
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	49
11 89dc8caeff41 Improve option handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 10 diff changeset	50 /* Structures
89dc8caeff41 Improve option handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 10 diff changeset	51 */
3 be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	52 struct Mesh
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	53 {
5 5dcae4dddcd9 Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 3 diff changeset	54 int nvertices, nfaces;
16 c134a186912f Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 15 diff changeset	55
3 be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	56 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	57 std::vector<unsigned> faces;
6 4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	58
12 52a586c344f4 Add option -m<filename prefix> to specify mesh/shader filename prefix. Matti Hamalainen <ccr@tnsp.org> parents: 11 diff changeset	59 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	60 };
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	61
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	62
11 89dc8caeff41 Improve option handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 10 diff changeset	63 /* Options
89dc8caeff41 Improve option handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 10 diff changeset	64 */
89dc8caeff41 Improve option handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 10 diff changeset	65 bool optUseShaders = false;
89dc8caeff41 Improve option handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 10 diff changeset	66 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	67 optHeight = SET_DEF_HEIGHT,
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	68 optVSyncMode = 1;
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	69
12 52a586c344f4 Add option -m<filename prefix> to specify mesh/shader filename prefix. Matti Hamalainen <ccr@tnsp.org> parents: 11 diff changeset	70 std::string optModelPrefix = "dragon";
11 89dc8caeff41 Improve option handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 10 diff changeset	71
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 /* Globals
89dc8caeff41 Improve option handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 10 diff changeset	74 */
89dc8caeff41 Improve option handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 10 diff changeset	75 SDL_Window *dmWindow = NULL;
89dc8caeff41 Improve option handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 10 diff changeset	76 SDL_GLContext dmGLContext = NULL;
89dc8caeff41 Improve option handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 10 diff changeset	77
89dc8caeff41 Improve option handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 10 diff changeset	78
5 5dcae4dddcd9 Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 3 diff changeset	79 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	80 {
13 c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	81 int ret;
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	82 std::string msg;
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	83
6 4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	84 // Set GL attributes
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_MAJOR_VERSION, 2);
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	86 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	87 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	88
2 b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	89 SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 24);
b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	90 SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	91
6 4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	92 // 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	93 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	94 {
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	95 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	96 SDL_GetError());
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	97 return false;
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	98 }
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	99
6 4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	100 // Attempt to create a window
8 628c42e94149 Clean up variable names. Matti Hamalainen <ccr@tnsp.org> parents: 7 diff changeset	101 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	102 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	103 width, height,
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	104 SDL_WINDOW_OPENGL \| SDL_WINDOW_SHOWN \| SDL_WINDOW_RESIZABLE)) == NULL)
2 b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	105 {
3 be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	106 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	107 SDL_GetError());
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	108 return false;
2 b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	109 }
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	110
8 628c42e94149 Clean up variable names. Matti Hamalainen <ccr@tnsp.org> parents: 7 diff changeset	111 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	112 {
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	113 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	114 SDL_GetError());
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	115 return false;
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	116 }
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	117
13 c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	118 // 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	119 switch (optVSyncMode)
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	120 {
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	121 case 3:
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	122 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	123 msg = "adaptive vsync";
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	124 break;
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	125
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	126 case 2:
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	127 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	128 msg = "synchronized (vsync)";
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	129 break;
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	130
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	131 case 1:
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	132 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	133 msg = "immediate (no vsync)";
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	134 break;
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	135
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	136 default:
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	137 ret = -1;
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	138 msg = "INVALID VSYNC MODE";
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	139 break;
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	140 }
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 if (ret != 0)
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	143 {
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	144 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	145 msg.c_str());
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	146 return false;
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	147 }
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	148
6 4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	149 // 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	150 printf(
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	151 "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	152 "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	153 "GL_VERSION : %s\n"
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	154 "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	155 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	156 glGetString(GL_RENDERER),
13 c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	157 glGetString(GL_VERSION),
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	158 msg.c_str());
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	159
2 b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	160 // 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	161 glViewport(0, 0, width, height);
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	162
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	163 glMatrixMode(GL_PROJECTION);
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	164 glLoadIdentity();
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	165
3 be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	166 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	167
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	168 glMatrixMode(GL_MODELVIEW);
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	169 glLoadIdentity();
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	170
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	171
2 b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	172 // Enable back face culling
b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	173 glEnable(GL_CULL_FACE);
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	174
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	175 // Enable smooth shading
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	176 glShadeModel(GL_SMOOTH);
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	177
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	178 // Enable the depth buffer
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	179 glEnable(GL_DEPTH_TEST);
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	180
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	181 // Setup depth buffer
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	182 glClearDepth(1.0f);
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	183
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	184 // Set the depth buffer function
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	185 glDepthFunc(GL_LEQUAL);
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	186
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	187 // Enable vertex and and normal arrays
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	188 glEnableClientState(GL_VERTEX_ARRAY);
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	189 glEnableClientState(GL_NORMAL_ARRAY);
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	190
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	191 // Set correct perspective correction
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	192 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	193
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	194 return true;
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	195 }
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	196
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	197
5 5dcae4dddcd9 Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 3 diff changeset	198 void dmDrawModelVA(const Mesh &mesh)
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	199 {
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	200 int maxIndices;
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	201
17 0fa9302e324d Cleanup. Matti Hamalainen <ccr@tnsp.org> parents: 16 diff changeset	202 if (optUseShaders)
0fa9302e324d Cleanup. Matti Hamalainen <ccr@tnsp.org> parents: 16 diff changeset	203 {
0fa9302e324d Cleanup. Matti Hamalainen <ccr@tnsp.org> parents: 16 diff changeset	204 // Enable shader program
0fa9302e324d Cleanup. Matti Hamalainen <ccr@tnsp.org> parents: 16 diff changeset	205 glUseProgram(mesh.id_prog);
0fa9302e324d Cleanup. Matti Hamalainen <ccr@tnsp.org> parents: 16 diff changeset	206 }
0fa9302e324d Cleanup. Matti Hamalainen <ccr@tnsp.org> parents: 16 diff changeset	207 else
0fa9302e324d Cleanup. Matti Hamalainen <ccr@tnsp.org> parents: 16 diff changeset	208 {
0fa9302e324d Cleanup. Matti Hamalainen <ccr@tnsp.org> parents: 16 diff changeset	209 // Set the color of the model
0fa9302e324d Cleanup. Matti Hamalainen <ccr@tnsp.org> parents: 16 diff changeset	210 glEnable(GL_LIGHTING);
0fa9302e324d Cleanup. Matti Hamalainen <ccr@tnsp.org> parents: 16 diff changeset	211 glColor3ub(0x90, 0x80, 0x90);
0fa9302e324d Cleanup. Matti Hamalainen <ccr@tnsp.org> parents: 16 diff changeset	212 }
0fa9302e324d Cleanup. Matti Hamalainen <ccr@tnsp.org> parents: 16 diff changeset	213
0fa9302e324d Cleanup. Matti Hamalainen <ccr@tnsp.org> parents: 16 diff changeset	214 // Render the model
2 b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	215 glGetIntegerv(GL_MAX_ELEMENTS_INDICES, &maxIndices);
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	216
16 c134a186912f Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 15 diff changeset	217 glVertexPointer(3, GL_FLOAT, 3 * 4 * 2, &mesh.vertices[0]);
c134a186912f Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 15 diff changeset	218 glNormalPointer( GL_FLOAT, 3 * 4 * 2, &mesh.vertices[3]);
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	219
5 5dcae4dddcd9 Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 3 diff changeset	220 for (int n = 0; n < mesh.nfaces; n += maxIndices)
2 b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	221 {
16 c134a186912f Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 15 diff changeset	222 const int count = std::min(maxIndices, 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	223 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	224 }
17 0fa9302e324d Cleanup. Matti Hamalainen <ccr@tnsp.org> parents: 16 diff changeset	225
0fa9302e324d Cleanup. Matti Hamalainen <ccr@tnsp.org> parents: 16 diff changeset	226 // Restore
0fa9302e324d Cleanup. Matti Hamalainen <ccr@tnsp.org> parents: 16 diff changeset	227 if (optUseShaders)
0fa9302e324d Cleanup. Matti Hamalainen <ccr@tnsp.org> parents: 16 diff changeset	228 {
0fa9302e324d Cleanup. Matti Hamalainen <ccr@tnsp.org> parents: 16 diff changeset	229 glUseProgram(0);
0fa9302e324d Cleanup. Matti Hamalainen <ccr@tnsp.org> parents: 16 diff changeset	230 }
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	231 }
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	232
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	233
17 0fa9302e324d Cleanup. Matti Hamalainen <ccr@tnsp.org> parents: 16 diff changeset	234 void dmDrawBackground()
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	235 {
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	236 glClear(GL_DEPTH_BUFFER_BIT);
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 glMatrixMode(GL_PROJECTION);
b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	239 glPushMatrix();
b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	240 glLoadIdentity();
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	241
2 b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	242 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	243
2 b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	244 glMatrixMode(GL_MODELVIEW);
b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	245 glPushMatrix();
b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	246 glLoadIdentity();
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	247
17 0fa9302e324d Cleanup. Matti Hamalainen <ccr@tnsp.org> parents: 16 diff changeset	248 // Draw the background gradient
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	249 glDisable(GL_DEPTH_TEST);
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	250 glDisable(GL_LIGHTING);
2 b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	251 glBegin(GL_QUADS);
b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	252 {
b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	253 glColor3ub(0x3B, 0x3B, 0x75);
b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	254 glVertex2f(0.0f, 0.0f);
b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	255 glVertex2f(1.0f, 0.0f);
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	256
2 b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	257 glColor3ub(0x00, 0x00, 0x00);
b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	258 glVertex2f(1.0f, 1.0f);
b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	259 glVertex2f(0.0f, 1.0f);
b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	260 }
b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	261 glEnd();
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	262
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	263
2 b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	264 // Restore the 3D projection
b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	265 glMatrixMode(GL_PROJECTION);
b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	266 glPopMatrix();
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	267
2 b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	268 glMatrixMode(GL_MODELVIEW);
b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	269 glPopMatrix();
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	270
3 be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	271 glEnable(GL_DEPTH_TEST);
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	272 }
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	273
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	274
6 4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	275 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	276 {
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	277 std::ifstream in(filename.c_str());
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	278
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	279 if (!in.is_open())
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	280 {
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	281 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	282 filename.c_str());
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	283 return false;
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	284 }
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	285
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	286 in.seekg(0, std::ios::end);
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	287 tstr.reserve(in.tellg());
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	288 in.seekg(0, std::ios::beg);
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	289
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	290 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	291
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	292 return true;
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	293 }
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	294
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	295
14 62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	296 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	297 {
14 62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	298 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	299 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	300
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	301 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	302 infofilename.c_str());
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	303
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	304 if (!info.is_open())
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	305 {
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	306 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	307 infofilename.c_str());
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	308 return false;
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
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	311 while (required != 0x03)
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	312 {
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	313 std::string tmp;
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	314 int value;
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	315 char key;
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 // Read one line
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	318 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	319 {
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	320 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	321 infofilename.c_str());
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	322 return false;
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
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	325 nline++;
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	326
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	327 // 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	328 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	329 continue;
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	330
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	331 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	332 {
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	333 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	334 infofilename.c_str(),
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	335 nline,
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	336 tmp.c_str());
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	337 return false;
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
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	340 switch (key)
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	341 {
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	342 case 'v':
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	343 mesh.nvertices = value;
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	344 required \|= 0x01;
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	345 break;
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	346
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	347 case 'f':
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	348 mesh.nfaces = value;
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	349 required \|= 0x02;
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	350 break;
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	351
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	352 default:
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	353 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	354 infofilename.c_str(),
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	355 nline,
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	356 key);
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	357 break;
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	358 }
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
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	361 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	362 {
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	363 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	364 mesh.nvertices, mesh.nfaces,
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	365 infofilename.c_str());
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	366 return false;
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	367 }
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	368
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	369 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	370 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	371 filename.c_str());
62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	372
3 be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	373 std::ifstream in(filename.c_str(), std::ios::binary);
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	374
2 b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	375 if (!in.is_open())
b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	376 {
6 4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	377 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	378 filename.c_str());
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	379 return false;
2 b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	380 }
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.vertices.resize(mesh.nvertices * 6);
5dcae4dddcd9 Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 3 diff changeset	383 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	384
5 5dcae4dddcd9 Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 3 diff changeset	385 mesh.faces.resize(mesh.nfaces * 3);
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	386
8 628c42e94149 Clean up variable names. Matti Hamalainen <ccr@tnsp.org> parents: 7 diff changeset	387 for (int i = 0; i < mesh.nfaces; i++)
2 b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	388 {
b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	389 in.seekg(1, std::ios::cur);
b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	390 in.read(reinterpret_cast<char>(&mesh.faces[i 3]), 3 * 4);
b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	391 }
6 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 return true;
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	394 }
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
8 628c42e94149 Clean up variable names. Matti Hamalainen <ccr@tnsp.org> parents: 7 diff changeset	397 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	398 {
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	399 GLuint shader = glCreateShader(stype);
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	400 const char *tmp = src.c_str();
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 glShaderSource(shader, 1, &tmp, 0);
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	403 glCompileShader(shader);
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 return shader;
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	406 }
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
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	409 void dmLinkMeshShaders(Mesh &mesh)
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	410 {
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	411 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	412 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	413 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	414 glLinkProgram(mesh.id_prog);
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	415 }
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	416
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	417
6 4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	418 int main(int argc, char *argv[])
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	419 {
12 52a586c344f4 Add option -m<filename prefix> to specify mesh/shader filename prefix. Matti Hamalainen <ccr@tnsp.org> parents: 11 diff changeset	420 std::string modelVertStr, modelFragStr;
17 0fa9302e324d Cleanup. Matti Hamalainen <ccr@tnsp.org> parents: 16 diff changeset	421 Mesh modelMesh;
8 628c42e94149 Clean up variable names. Matti Hamalainen <ccr@tnsp.org> parents: 7 diff changeset	422 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	423 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	424 double totalTime;
6 4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	425
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	426 // Check commandline argument for enabling shaders
7 95dd5417e7de Add simple help. Matti Hamalainen <ccr@tnsp.org> parents: 6 diff changeset	427 for (int narg = 1; narg < argc; narg++)
95dd5417e7de Add simple help. Matti Hamalainen <ccr@tnsp.org> parents: 6 diff changeset	428 {
95dd5417e7de Add simple help. Matti Hamalainen <ccr@tnsp.org> parents: 6 diff changeset	429 char *arg = argv[narg];
11 89dc8caeff41 Improve option handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 10 diff changeset	430 if (arg[0] == '-')
89dc8caeff41 Improve option handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 10 diff changeset	431 {
89dc8caeff41 Improve option handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 10 diff changeset	432 char *opt = arg + 1;
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 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	435 opt[0] == '?' \|\| (opt[0] == '-' && opt[1] == '?'))
11 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 optShowHelp = true;
89dc8caeff41 Improve option handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 10 diff changeset	438 break;
89dc8caeff41 Improve option handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 10 diff changeset	439 }
89dc8caeff41 Improve option handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 10 diff changeset	440 else
89dc8caeff41 Improve option handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 10 diff changeset	441 if (opt[0] == '-')
89dc8caeff41 Improve option handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 10 diff changeset	442 opt++;
89dc8caeff41 Improve option handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 10 diff changeset	443
89dc8caeff41 Improve option handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 10 diff changeset	444 if (opt[0] == 'g')
89dc8caeff41 Improve option handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 10 diff changeset	445 optUseShaders = true;
89dc8caeff41 Improve option handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 10 diff changeset	446 else
13 c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	447 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	448 {
13 c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	449 case 'w':
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	450 case 'h':
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	451 case 'm':
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	452 case 'v':
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	453 if (opt[1] == 0)
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 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	456 goto exit;
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
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	459 switch (opt[0])
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	460 {
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	461 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	462 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	463 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	464 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	465 }
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	466 break;
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	467
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	468 default:
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	469 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	470 goto exit;
52a586c344f4 Add option -m<filename prefix> to specify mesh/shader filename prefix. Matti Hamalainen <ccr@tnsp.org> parents: 11 diff changeset	471 }
11 89dc8caeff41 Improve option handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 10 diff changeset	472 }
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
8 628c42e94149 Clean up variable names. Matti Hamalainen <ccr@tnsp.org> parents: 7 diff changeset	475 if (optShowHelp)
7 95dd5417e7de Add simple help. Matti Hamalainen <ccr@tnsp.org> parents: 6 diff changeset	476 {
95dd5417e7de Add simple help. Matti Hamalainen <ccr@tnsp.org> parents: 6 diff changeset	477 printf(
11 89dc8caeff41 Improve option handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 10 diff changeset	478 "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	479 "-? 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	480 "-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	481 "-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	482 "-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	483 "-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	484 " 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	485 "-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	486 " Default is no vsync.\n"
11 89dc8caeff41 Improve option handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 10 diff changeset	487 "\n",
89dc8caeff41 Improve option handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 10 diff changeset	488 argv[0],
89dc8caeff41 Improve option handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 10 diff changeset	489 SET_DEF_WIDTH, SET_DEF_HEIGHT
89dc8caeff41 Improve option handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 10 diff changeset	490 );
89dc8caeff41 Improve option handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 10 diff changeset	491
7 95dd5417e7de Add simple help. Matti Hamalainen <ccr@tnsp.org> parents: 6 diff changeset	492 goto exit;
95dd5417e7de Add simple help. Matti Hamalainen <ccr@tnsp.org> parents: 6 diff changeset	493 }
6 4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	494
13 c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	495 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	496 {
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	497 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	498 optWidth, optHeight);
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	499 goto exit;
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	500 }
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	501
12 52a586c344f4 Add option -m<filename prefix> to specify mesh/shader filename prefix. Matti Hamalainen <ccr@tnsp.org> parents: 11 diff changeset	502 if (optModelPrefix.empty())
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 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	505 goto exit;
52a586c344f4 Add option -m<filename prefix> to specify mesh/shader filename prefix. Matti Hamalainen <ccr@tnsp.org> parents: 11 diff changeset	506 }
52a586c344f4 Add option -m<filename prefix> to specify mesh/shader filename prefix. Matti Hamalainen <ccr@tnsp.org> parents: 11 diff changeset	507
14 62be2036f604 Read mesh vertices/faces information from "<modelfilename>.info" instead of Matti Hamalainen <ccr@tnsp.org> parents: 13 diff changeset	508 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	509 goto exit;
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	510
8 628c42e94149 Clean up variable names. Matti Hamalainen <ccr@tnsp.org> parents: 7 diff changeset	511 if (optUseShaders)
2 b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	512 {
6 4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	513 // 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	514 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	515 !dmReadText(optModelPrefix + ".vert", modelVertStr))
6 4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	516 goto exit;
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	517 }
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	518
6 4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	519 // Initialize SDL + OpenGL
11 89dc8caeff41 Improve option handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 10 diff changeset	520 if (!dmInitSDLGL(optWidth, optHeight, "GLXDragon2"))
6 4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	521 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	522
6 4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	523 // According to our mode ..
8 628c42e94149 Clean up variable names. Matti Hamalainen <ccr@tnsp.org> parents: 7 diff changeset	524 if (optUseShaders)
6 4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	525 {
12 52a586c344f4 Add option -m<filename prefix> to specify mesh/shader filename prefix. Matti Hamalainen <ccr@tnsp.org> parents: 11 diff changeset	526 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	527 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	528 dmLinkMeshShaders(modelMesh);
6 4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	529 }
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	530 else
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	531 {
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	532 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	533
6 4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	534 glEnable(GL_COLOR_MATERIAL);
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 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	537 glMateriali(GL_FRONT, GL_SHININESS, 96);
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	538
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	539 glMaterialfv(GL_FRONT, GL_SPECULAR, specReflection);
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	540
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	541 glEnable(GL_LIGHT0);
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	542
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	543 // Define the light components and position
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	544 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	545 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	546 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	547 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	548
6 4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	549 // Define the light components and position
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	550 glLightfv(GL_LIGHT0, GL_AMBIENT, ambient);
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	551 glLightfv(GL_LIGHT0, GL_DIFFUSE, diffuse);
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	552 glLightfv(GL_LIGHT0, GL_SPECULAR, specular);
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	553 glLightfv(GL_LIGHT0, GL_POSITION, position);
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	554 }
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	555
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	556 // Define the camera
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	557 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	558
3 be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	559
6 4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	560 // Main loop starts
13 c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	561 startTime = cycleStart = SDL_GetTicks();
6 4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	562
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	563 while (!exitFlag)
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	564 {
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	565 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	566
6 4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	567 // Check for quit events
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	568 while (SDL_PollEvent(&event))
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	569 switch (event.type)
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	570 {
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	571 case SDL_QUIT:
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	572 exitFlag = true;
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	573 break;
3 be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	574
6 4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	575 case SDL_KEYDOWN:
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	576 switch (event.key.keysym.sym)
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	577 {
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	578 case SDLK_ESCAPE:
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	579 case SDLK_q:
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	580 exitFlag = true;
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	581 break;
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	582 }
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	583 }
3 be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	584
6 4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	585 // Render the next frame
17 0fa9302e324d Cleanup. Matti Hamalainen <ccr@tnsp.org> parents: 16 diff changeset	586 dmDrawBackground();
0fa9302e324d Cleanup. Matti Hamalainen <ccr@tnsp.org> parents: 16 diff changeset	587 dmDrawModelVA(modelMesh);
6 4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	588
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	589 // Draw the current frame
8 628c42e94149 Clean up variable names. Matti Hamalainen <ccr@tnsp.org> parents: 7 diff changeset	590 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	591
6 4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	592 // Rotate for 2 degrees
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	593 glRotatef(2.0f, 0, 1, 0);
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	594
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	595 // Return true if a full rotation was done
15 2d2aadfa3df3 Fix calculation of totalFrames. Matti Hamalainen <ccr@tnsp.org> parents: 14 diff changeset	596 totalFrames++;
13 c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	597 if (cycleFrames++ == SET_FRAMES)
6 4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	598 {
13 c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	599 // Reset cycleFrames
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	600 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	601
6 4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	602 // 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	603 int cycleEnd = SDL_GetTicks();
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	604 double cycleTime = cycleEnd - cycleStart;
10 c6c419861101 Use SDL_GetTicks() instead of std::clock(). Matti Hamalainen <ccr@tnsp.org> parents: 8 diff changeset	605
c6c419861101 Use SDL_GetTicks() instead of std::clock(). Matti Hamalainen <ccr@tnsp.org> parents: 8 diff changeset	606 // Restart the timer
13 c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	607 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	608
6 4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	609 // Print the current frames per second
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	610 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	611 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	612 }
2 b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	613 }
6 4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	614
13 c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	615 // Show totals
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	616 totalTime = SDL_GetTicks() - startTime;
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	617 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	618 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	619
6 4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	620 exit:
8 628c42e94149 Clean up variable names. Matti Hamalainen <ccr@tnsp.org> parents: 7 diff changeset	621 if (dmGLContext != NULL)
628c42e94149 Clean up variable names. Matti Hamalainen <ccr@tnsp.org> parents: 7 diff changeset	622 SDL_GL_DeleteContext(dmGLContext);
5 5dcae4dddcd9 Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 3 diff changeset	623
8 628c42e94149 Clean up variable names. Matti Hamalainen <ccr@tnsp.org> parents: 7 diff changeset	624 if (dmWindow != NULL)
628c42e94149 Clean up variable names. Matti Hamalainen <ccr@tnsp.org> parents: 7 diff changeset	625 SDL_DestroyWindow(dmWindow);
6 4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	626
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	627 SDL_Quit();
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	628
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	629 return 0;
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	630 }

Mercurial > hg > forks > gldragon

annotate glxdragon.cpp @ 17:0fa9302e324d