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 static int cl_ui = 1;
  22
  23 /* Components */
  24 //#define SR_NETWORKED
  25
  26 /* uncomment this to run the game without any graphics being drawn */
  27 //#define SR_NETWORK_TEST
  28
  29 #include "steam.h"
  30 #include "network.h"
  31
  32 #include "model.h"
  33 //#include "road.h"
  34 #include "scene.h"
  35 //#include "ik.h"
  36 #include "audio.h"
  37 //#include "terrain.h"
  38 //#include "character.h"
  39 #include "ragdoll.h"
  40 #include "rigidbody.h"
  41 #include "render.h"
  42 #include "world.h"
  43 #include "player.h"
  44
  45 #include "shaders/blit.h"
  46 #include "shaders/standard.h"
  47 #include "shaders/unlit.h"
  48
  49 #include "physics_test.h"
  50 #include "anim_test.h"
  51
  52 #include "gate.h"
  53 #include "water.h"
  54
  55 void vg_register(void)
  56 {
  57    shader_blit_register();
  58    shader_standard_register();
  59    shader_vblend_register();
  60    shader_unlit_register();
  61
  62    world_register();
  63    character_register();
  64    water_register();
  65    gate_register();
  66 }
  67
  68 static void init_other(void)
  69 {
  70    player_init();
  71    render_init();
  72    gate_init();
  73    world_init();
  74    character_init();
  75    audio_init();
  76 }
  77
  78 vg_tex2d *texture_list[] =
  79 {
  80    &tex_norwey,
  81    &tex_gradients,
  82    &tex_grid,
  83    &tex_sky,
  84    &tex_cement,
  85    &tex_water,
  86    &tex_water_surf
  87 };
  88
  89 int main( int argc, char *argv[] )
  90 {
  91    vg_init( argc, argv, "Voyager Game Engine" );
  92 }
  93
  94 static int playermodel( int argc, char const *argv[] )
  95 {
  96    if( argc < 1 ) return 0;
  97
  98    glmesh old_mesh = player.mdl.mesh;
  99
 100    if( character_load( &player.mdl, argv[0] ) )
 101       mesh_free( &old_mesh );
 102
 103    return 1;
 104 }
 105
 106 void vg_start(void)
 107 {
 108    steam_init();
 109
 110    vg_convar_push( (struct vg_convar){
 111       .name = "fc",
 112       .data = &freecam,
 113       .data_type = k_convar_dtype_i32,
 114       .opt_i32 = { .min=0, .max=1, .clamp=1 },
 115       .persistent = 1
 116    });
 117
 118    vg_convar_push( (struct vg_convar){
 119       .name = "grid",
 120       .data = &walk_grid_iterations,
 121       .data_type = k_convar_dtype_i32,
 122       .opt_i32 = { .min=0, .max=1, .clamp=0 },
 123       .persistent = 1
 124    });
 125
 126    vg_convar_push( (struct vg_convar){
 127       .name = "fcs",
 128       .data = &fc_speed,
 129       .data_type = k_convar_dtype_f32,
 130       .opt_f32 = { .clamp = 0 },
 131       .persistent = 1
 132    });
 133
 134    vg_convar_push( (struct vg_convar){
 135       .name = "ledit",
 136       .data = &lightedit,
 137       .data_type = k_convar_dtype_i32,
 138       .opt_i32 = { .min=0, .max=1, .clamp=1 },
 139       .persistent = 1
 140    });
 141
 142    vg_convar_push( (struct vg_convar){
 143       .name = "cl_ui",
 144       .data = &cl_ui,
 145       .data_type = k_convar_dtype_i32,
 146       .opt_i32 = { .min=0, .max=1, .clamp=1 },
 147       .persistent = 1
 148    });
 149
 150    vg_convar_push( (struct vg_convar){
 151       .name = "walk_speed",
 152       .data = &k_walkspeed,
 153       .data_type = k_convar_dtype_f32,
 154       .opt_f32 = { .clamp = 0 },
 155       .persistent = 1
 156    });
 157
 158    vg_convar_push( (struct vg_convar){
 159       .name = "run_speed",
 160       .data = &k_runspeed,
 161       .data_type = k_convar_dtype_f32,
 162       .opt_f32 = { .clamp = 0 },
 163       .persistent = 1
 164    });
 165
 166    vg_convar_push( (struct vg_convar){
 167       .name = "walk_accel",
 168       .data = &k_walk_accel,
 169       .data_type = k_convar_dtype_f32,
 170       .opt_f32 = { .clamp = 0 },
 171       .persistent = 1
 172    });
 173
 174    vg_convar_push( (struct vg_convar){
 175       .name = "dt",
 176       .data = &ktimestep,
 177       .data_type = k_convar_dtype_f32,
 178       .opt_f32 = { .clamp = 0 },
 179       .persistent = 0
 180    });
 181
 182    vg_convar_push( (struct vg_convar){
 183       .name = "debugcam",
 184       .data = &sv_debugcam,
 185       .data_type = k_convar_dtype_i32,
 186       .opt_i32 = { .min=0, .max=1, .clamp=0 },
 187       .persistent = 1
 188    });
 189
 190    vg_convar_push( (struct vg_convar){
 191       .name = "debugview",
 192       .data = &debugview,
 193       .data_type = k_convar_dtype_i32,
 194       .opt_i32 = { .min=0, .max=1, .clamp=0 },
 195       .persistent = 1
 196    });
 197
 198         vg_function_push( (struct vg_cmd){
 199                 .name = "reset",
 200                 .function = reset_player
 201         });
 202
 203    vg_tex2d_init( texture_list, vg_list_size( texture_list ) );
 204
 205    init_other();
 206
 207    /*
 208     * If we're in physics test mode we dont need to load anything else, this
 209     * parameter is dev only. TODO: dev only cvars that don't ship with the game
 210     * when building in release mode.
 211     */
 212
 213    if( sv_scene == 0 )
 214    {
 215       character_load( &player.mdl, "ch_new" );
 216       character_init_ragdoll( &player.mdl );
 217
 218       world_load();
 219
 220       reset_player( 1, (const char *[]){ "start" } );
 221       rb_init( &player.rb );
 222
 223       network_init();
 224    }
 225    else if( sv_scene == 1 )
 226    {
 227       physics_test_start();
 228    }
 229    else if( sv_scene == 2 )
 230    {
 231       anim_test_start();
 232    }
 233 }
 234
 235 void vg_free(void)
 236 {
 237    network_end();
 238    vg_tex2d_free( texture_list, vg_list_size(texture_list) );
 239    /* TODO: THE REST OF THE GOD DAMN FREEING STUFF */
 240    steam_end();
 241 }
 242
 243 void vg_update(void)
 244 {
 245    steam_update();
 246
 247    if( sv_scene == 0 )
 248    {
 249       network_update();
 250       player_update();
 251       world_update();
 252       //traffic_visualize( world.traffic, world.traffic_count );
 253       //
 254       /* TEMP */
 255       if( glfwGetKey( vg_window, GLFW_KEY_J ))
 256       {
 257          v3_copy( player.camera_pos, world.mr_ball.co );
 258       }
 259    }
 260    else if( sv_scene == 1 )
 261    {
 262       physics_test_update();
 263    }
 264    else if( sv_scene == 2 )
 265    {
 266       anim_test_update();
 267    }
 268 }
 269
 270 static void vg_framebuffer_resize( int w, int h )
 271 {
 272    render_fb_resize();
 273    gate_fb_resize();
 274    water_fb_resize();
 275 }
 276
 277 static void draw_origin_axis(void)
 278 {
 279    vg_line( (v3f){ 0.0f, 0.0f, 0.0f }, (v3f){ 1.0f, 0.0f, 0.0f }, 0xffff0000 );
 280    vg_line( (v3f){ 0.0f, 0.0f, 0.0f }, (v3f){ 0.0f, 1.0f, 0.0f }, 0xff00ff00 );
 281    vg_line( (v3f){ 0.0f, 0.0f, 0.0f }, (v3f){ 0.0f, 0.0f, 1.0f }, 0xff0000ff );
 282 }
 283
 284 static void render_main_game(void)
 285 {
 286    float speed = freecam? 0.0f: v3_length( player.rb.v );
 287    v3f shake = { vg_randf()-0.5f, vg_randf()-0.5f, vg_randf()-0.5f };
 288    v3_muls( shake, speed*0.01f, shake );
 289
 290    m4x4f world_4x4;
 291    m4x3_expand( player.camera_inverse, world_4x4 );
 292
 293    gpipeline.fov = freecam? 60.0f: 125.0f; /* 120 */
 294    m4x4_projection( vg_pv, gpipeline.fov,
 295          (float)vg_window_x / (float)vg_window_y,
 296          0.02f, 2100.0f );
 297
 298    m4x4_mul( vg_pv, world_4x4, vg_pv );
 299
 300    glEnable( GL_DEPTH_TEST );
 301
 302    /*
 303     * Draw world
 304     */
 305
 306    int draw_solid = player.is_dead | freecam;
 307
 308    render_world( vg_pv, player.camera );
 309    if( draw_solid )
 310       draw_player();
 311    render_water_texture( player.camera );
 312
 313    glBindFramebuffer( GL_FRAMEBUFFER, 0 );
 314    render_water_surface( vg_pv, player.camera );
 315
 316    vg_tex2d_bind( &tex_water, 1 ); /*TODO: ?*/
 317    render_world_gates( vg_pv, player.camera );
 318
 319    /* Copy the RGB of what we have into the background buffer */
 320    glBindFramebuffer( GL_READ_FRAMEBUFFER, 0 );
 321    glBindFramebuffer( GL_DRAW_FRAMEBUFFER, gpipeline.fb_background );
 322    glBlitFramebuffer( 0,0, vg_window_x, vg_window_y,
 323                       0,0, vg_window_x, vg_window_y,
 324                       GL_COLOR_BUFFER_BIT,
 325                       GL_LINEAR );
 326
 327    /* Clear out the colour buffer, but keep depth */
 328    glBindFramebuffer( GL_FRAMEBUFFER, 0 );
 329    glClearColor( 0.0f, 0.0f, 0.0f, 0.0f );
 330
 331    if( !player.is_dead )
 332       glClear( GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT );
 333    else
 334       glClear( GL_COLOR_BUFFER_BIT );
 335
 336    if( !draw_solid )
 337    {
 338       m4x4_projection( vg_pv, gpipeline.fov,
 339             (float)vg_window_x / (float)vg_window_y,
 340             0.01f, 600.0f );
 341       m4x4_mul( vg_pv, world_4x4, vg_pv );
 342       draw_player();
 343    }
 344
 345    /* Draw back in the background
 346     *
 347     * TODO: need to disable alpha write in the terrain shader so this works
 348     *       again.
 349     */
 350    glEnable(GL_BLEND);
 351    glDisable(GL_DEPTH_TEST);
 352    glBlendFunc(GL_ONE_MINUS_DST_ALPHA, GL_DST_ALPHA);
 353    glBlendEquation(GL_FUNC_ADD);
 354
 355    shader_blit_use();
 356    shader_blit_uTexMain( 0 );
 357    glActiveTexture(GL_TEXTURE0);
 358    glBindTexture( GL_TEXTURE_2D, gpipeline.rgb_background );
 359
 360    render_fsquad();
 361    glDisable(GL_BLEND);
 362
 363    /* Other shite */
 364    glDisable( GL_DEPTH_TEST );
 365    vg_lines_drawall( (float *)vg_pv );
 366    glViewport( 0,0, vg_window_x, vg_window_y );
 367 }
 368
 369 void vg_render(void)
 370 {
 371    glBindFramebuffer( GL_FRAMEBUFFER, 0 );
 372    glViewport( 0,0, vg_window_x, vg_window_y );
 373
 374    glDisable( GL_DEPTH_TEST );
 375    glClearColor( 0.11f, 0.35f, 0.37f, 1.0f );
 376    glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT );
 377
 378 #ifndef SR_NETWORK_TEST
 379    draw_origin_axis();
 380
 381    if( sv_scene == 0 )
 382    {
 383       render_main_game();
 384    }
 385    else if( sv_scene == 1 )
 386    {
 387       physics_test_render();
 388    }
 389    else if( sv_scene == 2 )
 390    {
 391       anim_test_render( &tex_characters );
 392    }
 393 #endif
 394 }
 395
 396 static void run_light_widget( struct light_widget *lw )
 397 {
 398    struct ui_checkbox c1 = { .data=&lw->enabled };
 399
 400    ui_checkbox( &ui_global_ctx, &c1 );
 401
 402    if( lw->enabled )
 403    {
 404       struct ui_slider_vector
 405          colour = { .min=0.0f, .max=2.0f, .len=3, .data=lw->colour },
 406          dir    = { .min=-VG_PIf, .max=VG_PIf, .len=2, .data=lw->dir };
 407
 408       ui_slider_vector( &ui_global_ctx, &colour );
 409       ui_global_ctx.cursor[1] += 4;
 410       ui_slider_vector( &ui_global_ctx, &dir );
 411    }
 412 }
 413
 414 static void run_debug_info(void)
 415 {
 416    char buf[40];
 417
 418    snprintf( buf, 40, "%.2fm/s", v3_length( player.rb.v ) );
 419    gui_text( (ui_px [2]){ 0, 0 }, buf, 1, k_text_align_left );
 420
 421    snprintf( buf, 40, "%.2f %.2f %.2f m/s",
 422          player.a[0], player.a[1], player.a[2] );
 423    gui_text( (ui_px [2]){ 0, 20 }, buf, 1, k_text_align_left );
 424
 425    snprintf( buf, 40, "pos %.2f %.2f %.2f",
 426          player.rb.co[0], player.rb.co[1], player.rb.co[2] );
 427    gui_text( (ui_px [2]){ 0, 40 }, buf, 1, k_text_align_left );
 428
 429    if( vg_gamepad_ready )
 430    {
 431       for( int i=0; i<6; i++ )
 432       {
 433          snprintf( buf, 40, "%.2f", vg_gamepad.axes[i] );
 434          gui_text( (ui_px [2]){ 0, (i+3)*20 }, buf, 1, k_text_align_left );
 435       }
 436    }
 437    else
 438    {
 439       gui_text( (ui_px [2]){ 0, 60 },
 440             "Gamepad not ready", 1, k_text_align_left );
 441    }
 442 }
 443
 444 void vg_ui(void)
 445 {
 446    if( lightedit )
 447    {
 448       ui_global_ctx.cursor[0] = 10;
 449       ui_global_ctx.cursor[1] = 10;
 450       ui_global_ctx.cursor[2] = 200;
 451       ui_global_ctx.cursor[3] = 20;
 452
 453       struct ub_world_lighting *wl = &gpipeline.ub_world_lighting;
 454       struct ui_slider_vector
 455          s5 = { .min=0.0f, .max=2.0f, .len=3, .data=wl->g_ambient_colour };
 456
 457       struct ui_slider
 458          s8 = { .min=0.0f, .max=2.0f, .data = &gpipeline.shadow_spread },
 459          s9 = { .min=0.0f, .max=25.0f, .data = &gpipeline.shadow_length };
 460
 461       for( int i=0; i<3; i++ )
 462          run_light_widget( &gpipeline.widgets[i] );
 463
 464       gui_text( ui_global_ctx.cursor, "Ambient", 1, 0 );
 465       ui_global_ctx.cursor[1] += 16;
 466       ui_slider_vector( &ui_global_ctx, &s5 );
 467
 468       gui_text( ui_global_ctx.cursor, "Shadows", 1, 0 );
 469       ui_global_ctx.cursor[1] += 16;
 470       ui_slider( &ui_global_ctx, &s8 );
 471       ui_slider( &ui_global_ctx, &s9 );
 472
 473       gui_text( ui_global_ctx.cursor, "Misc", 1, 0 );
 474       ui_global_ctx.cursor[1] += 16;
 475       struct ui_checkbox c1 = {.data = &wl->g_light_preview};
 476       ui_checkbox( &ui_global_ctx, &c1 );
 477
 478       render_update_lighting_ub();
 479    }
 480
 481    //glPolygonMode( GL_FRONT_AND_BACK, GL_LINE );
 482    if( cl_ui )
 483    {
 484       render_world_routes_ui();
 485    }
 486    //glPolygonMode( GL_FRONT_AND_BACK, GL_FILL );
 487
 488 #if 0
 489    static double last_b_press = 0.0;
 490
 491    double localtime = vg_time - last_b_press;
 492
 493    world_routes_ui_updatetime( 0, localtime );
 494    world_routes_ui_draw( 0, (v4f){ 1.0f,0.0f,1.0f,1.0f}, 9.0f );
 495
 496    if( glfwGetKey(vg_window,GLFW_KEY_B) )
 497       world_routes_ui_notch( 0, localtime );
 498
 499    if( vg_time-last_b_press > 1.0 )
 500       if( glfwGetKey(vg_window,GLFW_KEY_N) )
 501       {
 502          last_b_press = vg_time;
 503          world_routes_ui_newseg( 0 );
 504       }
 505
 506    static double last_m_press;
 507    if( vg_time-last_m_press > 1.0 )
 508       if( glfwGetKey( vg_window, GLFW_KEY_M) )
 509       {
 510          last_m_press = vg_time;
 511
 512          vg_info( "start: %u\n",world.routes.routes[0].ui.segment_count );
 513          for( int i=0; i<world.routes.routes[0].ui.segment_count; i++ )
 514             world_routes_ui_popfirst(0);
 515
 516          vg_info( "new: %u\n",world.routes.routes[0].ui.segment_count );
 517       }
 518 #endif
 519 }