diff options
Diffstat (limited to 'main.c')
| -rw-r--r-- | main.c | 102 |
1 files changed, 96 insertions, 6 deletions
@@ -2,6 +2,10 @@ #define V_WINDOWED 1 #include "vlib.h" +static const float PLAYER_HEIGHT = 1.5f; + +static GLProgram *program_unlit, *program_main; + static void APIENTRY gl_message_callback(GLenum source, GLenum type, unsigned int id, GLenum severity, GLsizei length, const char *message, const void *userParam) { static int n = 0; @@ -16,27 +20,113 @@ int main(int argc, char **argv) { return -1; } - vec3 player_pos = {0}; + vec3 player_pos = {0}; // position of player's feet float player_yaw = 0; float player_pitch = 0; - GLProgram *unlit = gl_program_new("unlitv.glsl", "unlitf.glsl"); + program_unlit = gl_program_new("unlitv.glsl", "unlitf.glsl"); + program_main = gl_program_new("mainv.glsl", "mainf.glsl"); + typedef struct { + vec3 pos; + } UnlitVertex; + + GLVBO ground_vbo = gl_vbo_new(UnlitVertex, "ground"); + GLVAO ground_vao = gl_vao_new(program_unlit, "ground"); + GLIBO ground_ibo = gl_ibo_new("ground"); + { + UnlitVertex vertices[] = { + {-100, 0, -100}, + {-100, 0, +100}, + {+100, 0, +100}, + {+100, 0, -100}, + }; + GLuint indices[] = { + 0, 1, 2, 0, 2, 3 + }; + gl_vbo_set_static_data(&ground_vbo, vertices, static_arr_len(vertices)); + gl_ibo_set_static_data(&ground_ibo, indices, static_arr_len(indices)); + gl_vao_add_data3f(&ground_vao, ground_vbo, "v_pos", UnlitVertex, pos); + } + + Model model_rod; + model_load(&model_rod, program_main, "assets/rod.obj"); + + window_set_relative_mouse(1); + + bool wireframe = false; + + //gl.Enable(GL_MULTISAMPLE); while (1) { SDL_Event event = {0}; + float dt = window_frame(); + while (SDL_PollEvent(&event)) { switch (event.type) { case SDL_QUIT: goto quit; + case SDL_KEYDOWN: + switch (event.key.keysym.sym) { + case SDLK_z: + wireframe = !wireframe; + } + break; + case SDL_MOUSEMOTION: { + float dx = (float)event.motion.xrel; + float dy = (float)event.motion.yrel; + const float rot_speed = 0.001f; + player_yaw -= dx * rot_speed; + player_pitch -= dy * rot_speed; + player_yaw = fmodf(player_yaw, 2 * PI); + player_pitch = clamp(player_pitch, -PI * 0.5f, PI * 0.5f); + } break; + } + } + + { + int dx = window_is_key_down(KEY_D) - window_is_key_down(KEY_A); + int dz = window_is_key_down(KEY_S) - window_is_key_down(KEY_W); + if (dx || dz) { + const float player_speed = 3; + vec3 dp = scale3(normalize3(Vec3((float)dx, 0, (float)dz)), player_speed * dt); + mat3 yaw = mat3_yaw(player_yaw); + dp = transform3(&yaw, dp); + player_pos = add3(player_pos, dp); } } - window_frame(); - mat4 camera = mat4_camera(player_pos, player_yaw, player_pitch, degree2rad(45), 0.1f, 50); - gl_program_use(unlit); - gl_uniformM4(unlit, "u_transform", &camera); + gl.PolygonMode(GL_FRONT_AND_BACK, wireframe ? GL_LINE : GL_FILL); + if (!wireframe) { + gl.Enable(GL_DEPTH_TEST); + gl.Enable(GL_CULL_FACE); + } + + mat4 camera; + { + vec3 p = player_pos; + p.y += PLAYER_HEIGHT; + camera = mat4_camera(p, player_yaw, player_pitch, degree2rad(45), 0.1f, 50); + } + gl_program_use(program_unlit); + gl_uniformM4(program_unlit, "u_transform", &camera); + + gl_uniform4f(program_unlit, "u_color", Vec4(.5f,.5f,.5f,1)); + gl_vao_render(ground_vao, &ground_ibo); + + gl_program_use(program_main); + gl_uniformM4(program_main, "u_transform", &camera); + gl_uniform1i(program_main, "u_lighting_enabled", !wireframe); + gl_uniform3f(program_main, "u_directional_light1", normalize3(Vec3(1, 1, 1))); + gl_uniform3f(program_main, "u_directional_light2", normalize3(Vec3(-1, 0.2f, -0.5f))); + gl_uniform3f(program_main, "u_directional_light1_color", Vec3(1,1,.9f)); + gl_uniform3f(program_main, "u_directional_light2_color", Vec3(.9f,.9f,.8f)); + gl_uniform3f(program_main, "u_ambient_light", Vec3(.3f,.3f,.3f)); + gl_uniform3f(program_main, "u_color", Vec3(.2f,.2f,.2f)); + gl_uniform3f(program_main, "u_scale", Vec3(.2f,.2f,.2f)); + gl_uniform3f(program_main, "u_offset", Vec3(0,0.5f,0)); + model_render(&model_rod); } quit: |