forks/gldragon: glxdragon.cpp annotate

annotate glxdragon.cpp @ 3:be31ff9e5f58

Port to libSDL2, clean up the code and some de-C++-ifications.

author	Matti Hamalainen <ccr@tnsp.org>
date	Sun, 27 Oct 2019 17:57:37 +0200
parents	b45d8958e5a6
children	5dcae4dddcd9

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>
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	34
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	35 #include <iostream>
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	36 #include <sstream>
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 <stdexcept>
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	39 #include <string>
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	40 #include <vector>
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	41 #include <algorithm>
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	42 #include <cstdio>
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	43 #include <ctime>
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	44
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	45
3 be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	46 #define SET_FRAMES (180 * 2)
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	47
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	48
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	49 SDL_Window *s_window = NULL;
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	50 SDL_GLContext s_context;
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	51
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	52
3 be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	53 struct Mesh
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	54 {
3 be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	55 std::vector<float> vertices;
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<unsigned> faces;
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	57 };
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	58
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	59
3 be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	60 bool init(const int width, const int height, const char *title)
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	61 {
2 b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	62 SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 8);
b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	63 SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 8);
b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	64 SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 8);
b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	65 SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 24);
b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	66 SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	67
3 be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	68 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	69 {
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	70 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	71 SDL_GetError());
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	72 return false;
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	73 }
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	74
3 be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	75 if ((s_window = SDL_CreateWindow(title,
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	76 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	77 width, height,
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	78 SDL_WINDOW_OPENGL \| SDL_WINDOW_SHOWN \| SDL_WINDOW_RESIZABLE)) == NULL)
2 b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	79 {
3 be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	80 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	81 SDL_GetError());
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	82 return false;
2 b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	83 }
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	84
3 be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	85 if ((s_context = SDL_GL_CreateContext(s_window)) == NULL)
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	86 {
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	87 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	88 SDL_GetError());
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	89 return false;
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	90 }
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	91
3 be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	92 printf(
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	93 "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	94 "GL_RENDERER : %s\n"
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	95 "GL_VERSION : %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 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	97 glGetString(GL_RENDERER),
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	98 glGetString(GL_VERSION));
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	99
2 b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	100 // 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	101 glViewport(0, 0, width, height);
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	102
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	103 glMatrixMode(GL_PROJECTION);
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	104 glLoadIdentity();
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: 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 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	107
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	108 glMatrixMode(GL_MODELVIEW);
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	109 glLoadIdentity();
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	110
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	111
2 b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	112 // Enable back face culling
b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	113 glEnable(GL_CULL_FACE);
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	114
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	115 // Enable smooth shading
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	116 glShadeModel(GL_SMOOTH);
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	117
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	118 // Enable the depth buffer
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	119 glEnable(GL_DEPTH_TEST);
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	120
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	121 // Setup depth buffer
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	122 glClearDepth(1.0f);
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	123
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	124 // Set the depth buffer function
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	125 glDepthFunc(GL_LEQUAL);
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	126
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	127 // Enable vertex and and normal arrays
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	128 glEnableClientState(GL_VERTEX_ARRAY);
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	129 glEnableClientState(GL_NORMAL_ARRAY);
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	130
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	131 // Set correct perspective correction
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	132 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	133
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	134 return true;
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	135 }
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	136
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	137
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	138 void initScene()
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	139 {
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	140 glEnable(GL_COLOR_MATERIAL);
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	141
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	142 glColorMaterial(GL_FRONT, GL_AMBIENT_AND_DIFFUSE);
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	143 glMateriali(GL_FRONT, GL_SHININESS, 96);
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	144
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	145 float specReflection[] = { 0.8f, 0.8f, 0.8f, 1.0f };
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	146 glMaterialfv(GL_FRONT, GL_SPECULAR, specReflection);
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	147
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	148
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	149 glEnable(GL_LIGHT0);
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	150
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	151 // Define the light components and position
2 b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	152 GLfloat ambient[] = { 0.2f, 0.2f, 0.2f, 1.0f };
b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	153 GLfloat diffuse[] = { 0.8f, 0.8f, 0.8f, 1.0f };
b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	154 GLfloat specular[] = { 0.5f, 0.5f, 0.5f, 1.0f };
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	155 GLfloat position[] = { 10.0f, 10.0f, 0.0f, 0.0f };
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	156
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	157 // Define the light components and position
2 b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	158 glLightfv(GL_LIGHT0, GL_AMBIENT, ambient);
b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	159 glLightfv(GL_LIGHT0, GL_DIFFUSE, diffuse);
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	160 glLightfv(GL_LIGHT0, GL_SPECULAR, specular);
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	161 glLightfv(GL_LIGHT0, GL_POSITION, position);
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 // Define the camera
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	164 gluLookAt(0, 0.12, 0.24, 0, 0.12, 0, 0, 1, 0);
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	165 }
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	166
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 void done()
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	169 {
3 be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	170 SDL_GL_DeleteContext(s_context);
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	171 SDL_DestroyWindow(s_window);
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	172 s_window = NULL;
2 b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	173 SDL_Quit();
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
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	176
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	177 void drawModelVA(const Mesh& mesh)
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	178 {
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	179 int maxIndices;
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	180
2 b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	181 glGetIntegerv(GL_MAX_ELEMENTS_INDICES, &maxIndices);
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	182
2 b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	183 glVertexPointer(3, GL_FLOAT, 24, &mesh.vertices[0]);
b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	184 glNormalPointer(GL_FLOAT, 24, &mesh.vertices[3]);
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	185
2 b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	186 for (size_t n = 0; n < mesh.faces.size() / 3; n += maxIndices)
b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	187 {
b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	188 const int count = std::min(maxIndices, int(mesh.faces.size() / 3 - n));
3 be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	189 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	190 }
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	191 }
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	192
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	193
3 be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	194 void paintGL(Mesh &mesh)
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 glClear(GL_DEPTH_BUFFER_BIT);
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	197
2 b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	198 glMatrixMode(GL_PROJECTION);
b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	199 glPushMatrix();
b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	200 glLoadIdentity();
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	201
2 b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	202 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	203
2 b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	204 glMatrixMode(GL_MODELVIEW);
b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	205 glPushMatrix();
b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	206 glLoadIdentity();
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	207
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	208
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	209 glDisable(GL_DEPTH_TEST);
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	210 glDisable(GL_LIGHTING);
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	211
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	212 // Draw the background gradient
2 b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	213 glBegin(GL_QUADS);
b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	214 {
b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	215 glColor3ub(0x3B, 0x3B, 0x75);
b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	216 glVertex2f(0.0f, 0.0f);
b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	217 glVertex2f(1.0f, 0.0f);
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	218
2 b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	219 glColor3ub(0x00, 0x00, 0x00);
b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	220 glVertex2f(1.0f, 1.0f);
b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	221 glVertex2f(0.0f, 1.0f);
b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	222 }
b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	223 glEnd();
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	224
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	225
2 b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	226 // Restore the 3D projection
b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	227 glMatrixMode(GL_PROJECTION);
b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	228 glPopMatrix();
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	229
2 b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	230 glMatrixMode(GL_MODELVIEW);
b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	231 glPopMatrix();
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	232
3 be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	233 glEnable(GL_DEPTH_TEST);
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	234
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	235 glEnable(GL_LIGHTING);
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	236 // Set the color of the model
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	237 glColor3ub(0x90, 0x80, 0x90);
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	238
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	239
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	240
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	241
3 be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	242 // Draw the model using vertex arrays
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	243 drawModelVA(mesh);
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	244 }
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	245
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	246
3 be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	247 void loadMesh(const std::string& filename, Mesh& mesh, size_t nvertices, size_t nfaces)
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	248 {
3 be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	249 std::ifstream in(filename.c_str(), std::ios::binary);
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	250
2 b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	251 if (!in.is_open())
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 std::stringstream ss;
3 be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	254 ss << "Unable to open file: " << filename << '\n';
2 b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	255 throw std::runtime_error(ss.str());
b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	256 }
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	257
3 be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	258 mesh.vertices.resize(nvertices * 6);
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	259 in.read(reinterpret_cast<char>(&mesh.vertices[0]), nvertices 6 * 4);
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	260
3 be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	261 mesh.faces.resize(nfaces * 3);
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	262
3 be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	263 for (size_t i = 0; i < nfaces; i++)
2 b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	264 {
b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	265 in.seekg(1, std::ios::cur);
b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	266 in.read(reinterpret_cast<char>(&mesh.faces[i 3]), 3 * 4);
b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	267 }
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	268 }
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	269
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	270
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	271 int main()
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	272 {
2 b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	273 try
b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	274 {
3 be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	275 struct Mesh dragonMesh;
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	276 loadMesh("dragon.mesh", dragonMesh, 100139, 200198);
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	277
3 be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	278 //if (!init(640, 480, "glxdragon"))
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	279 if (!init(1280, 960, "glxdragon"))
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	280 throw std::runtime_error("Fatal error.");
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	281
2 b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	282 initScene();
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	283
3 be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	284 bool exitFlag = false;
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	285 int steps = 0;
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	286 std::clock_t startTime = std::clock();
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	287
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	288 while (!exitFlag)
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	289 {
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	290 SDL_Event event;
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	291
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	292 // Check for quit events
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	293 while (SDL_PollEvent(&event))
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	294 switch (event.type)
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	295 {
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	296 case SDL_QUIT:
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	297 exitFlag = true;
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	298 break;
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	299
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	300 case SDL_KEYDOWN:
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	301 switch (event.key.keysym.sym)
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	302 {
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	303 case SDLK_ESCAPE:
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	304 case SDLK_q:
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	305 exitFlag = true;
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	306 break;
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	307 }
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	308 }
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	309
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	310
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	311 // Render the next frame
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	312 paintGL(dragonMesh);
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	313
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	314 // Draw the current frame
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	315 SDL_GL_SwapWindow(s_window);
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	316
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	317 // Rotate for 2 degrees
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	318 glRotatef(2.0f, 0, 1, 0);
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	319
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	320 // Return true if a full rotation was done
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	321 if (steps++ == SET_FRAMES)
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	322 {
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	323 // Reset steps
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	324 steps = 0;
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	325
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	326 // Get the time it took to render a full turn
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	327 double time = (double(std::clock() - startTime) * 1000.0f) / CLOCKS_PER_SEC;
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	328
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	329 // Print the current frames per second
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	330 std::printf("%.1lf ms for %d frames = %.1lf FPS\n",
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	331 time, SET_FRAMES, (SET_FRAMES * 1000.0f) / time);
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	332
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	333 // Restart the timer
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	334 startTime = std::clock();
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	335 }
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	336 }
2 b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	337 }
b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	338 catch(std::runtime_error & e)
b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	339 {
b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	340 std::cerr << e.what();
b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	341 }
b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	342 done();
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	343 }

Mercurial > hg > forks > gldragon

annotate glxdragon.cpp @ 3:be31ff9e5f58