main.c

   1 /*
   2  * Copyright (C) Mount0 Software, Harry Godden - All Rights Reserved
   3  */
   4
   5 #include "common.h"
   6
   7 /* Resources */
   8 vg_tex2d tex_norwey = { .path = "textures/norway_foliage.qoi" };
   9 vg_tex2d tex_grid = { .path = "textures/grid.qoi" };
  10 vg_tex2d tex_sky = { .path = "textures/sky.qoi" };
  11 vg_tex2d tex_gradients = { .path = "textures/gradients.qoi",
  12                            .flags = VG_TEXTURE_CLAMP };
  13 vg_tex2d tex_cement = { .path = "textures/cement512.qoi" };
  14 vg_tex2d tex_water = { .path = "textures/water.qoi" };
  15
  16 /* Convars */
  17 static int debugview = 0;
  18 static int sv_debugcam = 0;
  19 static int lightedit = 0;
  20 static int sv_scene = 0;
  21
  22 /* Components */
  23 //#define SR_NETWORKED
  24
  25 /* uncomment this to run the game without any graphics being drawn */
  26 //#define SR_NETWORK_TEST
  27
  28 #include "steam.h"
  29 #include "network.h"
  30
  31 #include "model.h"
  32 //#include "road.h"
  33 #include "scene.h"
  34 //#include "ik.h"
  35 #include "audio.h"
  36 //#include "terrain.h"
  37 //#include "character.h"
  38 #include "ragdoll.h"
  39 #include "rigidbody.h"
  40 #include "render.h"
  41 #include "world.h"
  42 #include "player.h"
  43
  44 #include "shaders/blit.h"
  45 #include "shaders/standard.h"
  46 #include "shaders/unlit.h"
  47
  48 #include "physics_test.h"
  49 #include "anim_test.h"
  50
  51 #include "gate.h"
  52 #include "water.h"
  53
  54 void vg_register(void)
  55 {
  56    shader_blit_register();
  57    shader_standard_register();
  58    shader_vblend_register();
  59    shader_unlit_register();
  60
  61    world_register();
  62    character_register();
  63    water_register();
  64    gate_register();
  65 }
  66
  67 static void init_other(void)
  68 {
  69    player_init();
  70    render_init();
  71    gate_init();
  72    world_init();
  73    character_init();
  74    audio_init();
  75 }
  76
  77 vg_tex2d *texture_list[] =
  78 {
  79    &tex_norwey,
  80    &tex_gradients,
  81    &tex_grid,
  82    &tex_sky,
  83    &tex_cement,
  84    &tex_water,
  85    &tex_water_surf
  86 };
  87
  88 int main( int argc, char *argv[] )
  89 {
  90    vg_init( argc, argv, "Voyager Game Engine" );
  91 }
  92
  93 static int playermodel( int argc, char const *argv[] )
  94 {
  95    if( argc < 1 ) return 0;
  96
  97    glmesh old_mesh = player.mdl.mesh;
  98
  99    if( character_load( &player.mdl, argv[0] ) )
 100       mesh_free( &old_mesh );
 101
 102    return 1;
 103 }
 104
 105 void vg_start(void)
 106 {
 107    steam_init();
 108
 109    vg_convar_push( (struct vg_convar){
 110       .name = "fc",
 111       .data = &freecam,
 112       .data_type = k_convar_dtype_i32,
 113       .opt_i32 = { .min=0, .max=1, .clamp=1 },
 114       .persistent = 1
 115    });
 116
 117    vg_convar_push( (struct vg_convar){
 118       .name = "grid",
 119       .data = &walk_grid_iterations,
 120       .data_type = k_convar_dtype_i32,
 121       .opt_i32 = { .min=0, .max=1, .clamp=0 },
 122       .persistent = 1
 123    });
 124
 125    vg_convar_push( (struct vg_convar){
 126       .name = "fcs",
 127       .data = &fc_speed,
 128       .data_type = k_convar_dtype_f32,
 129       .opt_f32 = { .clamp = 0 },
 130       .persistent = 1
 131    });
 132
 133    vg_convar_push( (struct vg_convar){
 134       .name = "ledit",
 135       .data = &lightedit,
 136       .data_type = k_convar_dtype_i32,
 137       .opt_i32 = { .min=0, .max=1, .clamp=1 },
 138       .persistent = 1
 139    });
 140
 141    vg_convar_push( (struct vg_convar){
 142       .name = "walk_speed",
 143       .data = &k_walkspeed,
 144       .data_type = k_convar_dtype_f32,
 145       .opt_f32 = { .clamp = 0 },
 146       .persistent = 1
 147    });
 148
 149    vg_convar_push( (struct vg_convar){
 150       .name = "dt",
 151       .data = &ktimestep,
 152       .data_type = k_convar_dtype_f32,
 153       .opt_f32 = { .clamp = 0 },
 154       .persistent = 0
 155    });
 156
 157    vg_convar_push( (struct vg_convar){
 158       .name = "debugcam",
 159       .data = &sv_debugcam,
 160       .data_type = k_convar_dtype_i32,
 161       .opt_i32 = { .min=0, .max=1, .clamp=0 },
 162       .persistent = 1
 163    });
 164
 165    vg_convar_push( (struct vg_convar){
 166       .name = "debugview",
 167       .data = &debugview,
 168       .data_type = k_convar_dtype_i32,
 169       .opt_i32 = { .min=0, .max=1, .clamp=0 },
 170       .persistent = 1
 171    });
 172
 173         vg_function_push( (struct vg_cmd){
 174                 .name = "reset",
 175                 .function = reset_player
 176         });
 177
 178    vg_tex2d_init( texture_list, vg_list_size( texture_list ) );
 179
 180    init_other();
 181
 182    /*
 183     * If we're in physics test mode we dont need to load anything else, this
 184     * parameter is dev only. TODO: dev only cvars that don't ship with the game
 185     * when building in release mode.
 186     */
 187
 188    if( sv_scene == 0 )
 189    {
 190       character_load( &player.mdl, "ch_new" );
 191       character_init_ragdoll( &player.mdl );
 192
 193       world_load();
 194
 195       reset_player( 1, (const char *[]){ "start" } );
 196       rb_init( &player.rb );
 197
 198       network_init();
 199    }
 200    else if( sv_scene == 1 )
 201    {
 202       physics_test_start();
 203    }
 204    else if( sv_scene == 2 )
 205    {
 206       anim_test_start();
 207    }
 208 }
 209
 210 void vg_free(void)
 211 {
 212    network_end();
 213    vg_tex2d_free( texture_list, vg_list_size(texture_list) );
 214    /* TODO: THE REST OF THE GOD DAMN FREEING STUFF */
 215    steam_end();
 216 }
 217
 218 void vg_update(void)
 219 {
 220    steam_update();
 221
 222    if( sv_scene == 0 )
 223    {
 224       network_update();
 225       player_update();
 226       world_update();
 227       //traffic_visualize( world.traffic, world.traffic_count );
 228       //
 229       /* TEMP */
 230       if( glfwGetKey( vg_window, GLFW_KEY_J ))
 231       {
 232          v3_copy( player.camera_pos, world.mr_ball.co );
 233       }
 234    }
 235    else if( sv_scene == 1 )
 236    {
 237       physics_test_update();
 238    }
 239    else if( sv_scene == 2 )
 240    {
 241       anim_test_update();
 242    }
 243 }
 244
 245 static void vg_framebuffer_resize( int w, int h )
 246 {
 247    render_fb_resize();
 248    gate_fb_resize();
 249    water_fb_resize();
 250 }
 251
 252 static void draw_origin_axis(void)
 253 {
 254    vg_line( (v3f){ 0.0f, 0.0f, 0.0f }, (v3f){ 1.0f, 0.0f, 0.0f }, 0xffff0000 );
 255    vg_line( (v3f){ 0.0f, 0.0f, 0.0f }, (v3f){ 0.0f, 1.0f, 0.0f }, 0xff00ff00 );
 256    vg_line( (v3f){ 0.0f, 0.0f, 0.0f }, (v3f){ 0.0f, 0.0f, 1.0f }, 0xff0000ff );
 257 }
 258
 259 static void render_main_game(void)
 260 {
 261    float speed = freecam? 0.0f: v3_length( player.rb.v );
 262    v3f shake = { vg_randf()-0.5f, vg_randf()-0.5f, vg_randf()-0.5f };
 263    v3_muls( shake, speed*0.01f, shake );
 264
 265    m4x4f world_4x4;
 266    m4x3_expand( player.camera_inverse, world_4x4 );
 267
 268    gpipeline.fov = freecam? 60.0f: 125.0f; /* 120 */
 269    m4x4_projection( vg_pv, gpipeline.fov,
 270          (float)vg_window_x / (float)vg_window_y,
 271          0.02f, 2100.0f );
 272
 273    m4x4_mul( vg_pv, world_4x4, vg_pv );
 274
 275    glEnable( GL_DEPTH_TEST );
 276
 277    /*
 278     * Draw world
 279     */
 280
 281    render_world( vg_pv, player.camera );
 282    render_water_texture( player.camera );
 283
 284    glBindFramebuffer( GL_FRAMEBUFFER, 0 );
 285    render_water_surface( vg_pv, player.camera );
 286
 287    vg_tex2d_bind( &tex_water, 1 ); /*TODO: ?*/
 288    render_world_gates( vg_pv, player.camera );
 289
 290    /* Copy the RGB of what we have into the background buffer */
 291    glBindFramebuffer( GL_READ_FRAMEBUFFER, 0 );
 292    glBindFramebuffer( GL_DRAW_FRAMEBUFFER, gpipeline.fb_background );
 293    glBlitFramebuffer( 0,0, vg_window_x, vg_window_y,
 294                       0,0, vg_window_x, vg_window_y,
 295                       GL_COLOR_BUFFER_BIT,
 296                       GL_LINEAR );
 297
 298    /* Clear out the colour buffer, but keep depth */
 299    glBindFramebuffer( GL_FRAMEBUFFER, 0 );
 300    glClearColor( 0.0f, 0.0f, 0.0f, 0.0f );
 301
 302    if( !player.is_dead )
 303       glClear( GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT );
 304    else
 305       glClear( GL_COLOR_BUFFER_BIT );
 306
 307    if( !player.is_dead )
 308    {
 309       m4x4_projection( vg_pv, gpipeline.fov,
 310             (float)vg_window_x / (float)vg_window_y,
 311             0.01f, 600.0f );
 312       m4x4_mul( vg_pv, world_4x4, vg_pv );
 313    }
 314    draw_player();
 315
 316    /* Draw back in the background
 317     *
 318     * TODO: need to disable alpha write in the terrain shader so this works
 319     *       again.
 320     */
 321    glEnable(GL_BLEND);
 322    glDisable(GL_DEPTH_TEST);
 323    glBlendFunc(GL_ONE_MINUS_DST_ALPHA, GL_DST_ALPHA);
 324    glBlendEquation(GL_FUNC_ADD);
 325
 326    shader_blit_use();
 327    shader_blit_uTexMain( 0 );
 328    glActiveTexture(GL_TEXTURE0);
 329    glBindTexture( GL_TEXTURE_2D, gpipeline.rgb_background );
 330
 331    render_fsquad();
 332    glDisable(GL_BLEND);
 333
 334    /* Other shite */
 335    glDisable( GL_DEPTH_TEST );
 336    vg_lines_drawall( (float *)vg_pv );
 337    glViewport( 0,0, vg_window_x, vg_window_y );
 338 }
 339
 340 void vg_render(void)
 341 {
 342    glBindFramebuffer( GL_FRAMEBUFFER, 0 );
 343    glViewport( 0,0, vg_window_x, vg_window_y );
 344
 345    glDisable( GL_DEPTH_TEST );
 346    glClearColor( 0.11f, 0.35f, 0.37f, 1.0f );
 347    glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT );
 348
 349 #ifndef SR_NETWORK_TEST
 350    draw_origin_axis();
 351
 352    if( sv_scene == 0 )
 353    {
 354       render_main_game();
 355    }
 356    else if( sv_scene == 1 )
 357    {
 358       physics_test_render();
 359    }
 360    else if( sv_scene == 2 )
 361    {
 362       anim_test_render( &tex_characters );
 363    }
 364 #endif
 365 }
 366
 367 static void run_light_widget( struct light_widget *lw )
 368 {
 369    struct ui_checkbox c1 = { .data=&lw->enabled };
 370
 371    ui_checkbox( &ui_global_ctx, &c1 );
 372
 373    if( lw->enabled )
 374    {
 375       struct ui_slider_vector
 376          colour = { .min=0.0f, .max=2.0f, .len=3, .data=lw->colour },
 377          dir    = { .min=-VG_PIf, .max=VG_PIf, .len=2, .data=lw->dir };
 378
 379       ui_slider_vector( &ui_global_ctx, &colour );
 380       ui_global_ctx.cursor[1] += 4;
 381       ui_slider_vector( &ui_global_ctx, &dir );
 382    }
 383 }
 384
 385 static void run_debug_info(void)
 386 {
 387    char buf[40];
 388
 389    snprintf( buf, 40, "%.2fm/s", v3_length( player.rb.v ) );
 390    gui_text( (ui_px [2]){ 0, 0 }, buf, 1, k_text_align_left );
 391
 392    snprintf( buf, 40, "%.2f %.2f %.2f m/s",
 393          player.a[0], player.a[1], player.a[2] );
 394    gui_text( (ui_px [2]){ 0, 20 }, buf, 1, k_text_align_left );
 395
 396    snprintf( buf, 40, "pos %.2f %.2f %.2f",
 397          player.rb.co[0], player.rb.co[1], player.rb.co[2] );
 398    gui_text( (ui_px [2]){ 0, 40 }, buf, 1, k_text_align_left );
 399
 400    if( vg_gamepad_ready )
 401    {
 402       for( int i=0; i<6; i++ )
 403       {
 404          snprintf( buf, 40, "%.2f", vg_gamepad.axes[i] );
 405          gui_text( (ui_px [2]){ 0, (i+3)*20 }, buf, 1, k_text_align_left );
 406       }
 407    }
 408    else
 409    {
 410       gui_text( (ui_px [2]){ 0, 60 },
 411             "Gamepad not ready", 1, k_text_align_left );
 412    }
 413 }
 414
 415 void vg_ui(void)
 416 {
 417    if( lightedit )
 418    {
 419       ui_global_ctx.cursor[0] = 10;
 420       ui_global_ctx.cursor[1] = 10;
 421       ui_global_ctx.cursor[2] = 200;
 422       ui_global_ctx.cursor[3] = 20;
 423
 424       struct ub_world_lighting *wl = &gpipeline.ub_world_lighting;
 425       struct ui_slider_vector
 426          s5 = { .min=0.0f, .max=2.0f, .len=3, .data=wl->g_ambient_colour };
 427
 428       struct ui_slider
 429          s8 = { .min=0.0f, .max=2.0f, .data = &gpipeline.shadow_spread },
 430          s9 = { .min=0.0f, .max=25.0f, .data = &gpipeline.shadow_length };
 431
 432       for( int i=0; i<3; i++ )
 433          run_light_widget( &gpipeline.widgets[i] );
 434
 435       gui_text( ui_global_ctx.cursor, "Ambient", 1, 0 );
 436       ui_global_ctx.cursor[1] += 16;
 437       ui_slider_vector( &ui_global_ctx, &s5 );
 438
 439       gui_text( ui_global_ctx.cursor, "Shadows", 1, 0 );
 440       ui_global_ctx.cursor[1] += 16;
 441       ui_slider( &ui_global_ctx, &s8 );
 442       ui_slider( &ui_global_ctx, &s9 );
 443
 444       gui_text( ui_global_ctx.cursor, "Misc", 1, 0 );
 445       ui_global_ctx.cursor[1] += 16;
 446       struct ui_checkbox c1 = {.data = &wl->g_light_preview};
 447       ui_checkbox( &ui_global_ctx, &c1 );
 448
 449       render_update_lighting_ub();
 450    }
 451
 452    //glPolygonMode( GL_FRONT_AND_BACK, GL_LINE );
 453    render_world_routes_ui();
 454    //glPolygonMode( GL_FRONT_AND_BACK, GL_FILL );
 455
 456 #if 0
 457    static double last_b_press = 0.0;
 458
 459    double localtime = vg_time - last_b_press;
 460
 461    world_routes_ui_updatetime( 0, localtime );
 462    world_routes_ui_draw( 0, (v4f){ 1.0f,0.0f,1.0f,1.0f}, 9.0f );
 463
 464    if( glfwGetKey(vg_window,GLFW_KEY_B) )
 465       world_routes_ui_notch( 0, localtime );
 466
 467    if( vg_time-last_b_press > 1.0 )
 468       if( glfwGetKey(vg_window,GLFW_KEY_N) )
 469       {
 470          last_b_press = vg_time;
 471          world_routes_ui_newseg( 0 );
 472       }
 473
 474    static double last_m_press;
 475    if( vg_time-last_m_press > 1.0 )
 476       if( glfwGetKey( vg_window, GLFW_KEY_M) )
 477       {
 478          last_m_press = vg_time;
 479
 480          vg_info( "start: %u\n",world.routes.routes[0].ui.segment_count );
 481          for( int i=0; i<world.routes.routes[0].ui.segment_count; i++ )
 482             world_routes_ui_popfirst(0);
 483
 484          vg_info( "new: %u\n",world.routes.routes[0].ui.segment_count );
 485       }
 486 #endif
 487 }