main.c

   1 #include "common.h"
   2
   3 /* Resources */
   4 vg_tex2d tex_norwey = { .path = "textures/norway_foliage.qoi" };
   5 vg_tex2d tex_grid = { .path = "textures/grid.qoi" };
   6 vg_tex2d tex_sky = { .path = "textures/sky.qoi" };
   7 vg_tex2d tex_gradients = { .path = "textures/gradients.qoi",
   8                            .flags = VG_TEXTURE_CLAMP };
   9 vg_tex2d tex_cement = { .path = "textures/cement512.qoi" };
  10 vg_tex2d tex_water = { .path = "textures/water.qoi" };
  11
  12 /* Convars */
  13 static int debugview = 0;
  14 static int sv_debugcam = 0;
  15
  16 /* Components */
  17 #include "road.h"
  18 #include "scene.h"
  19 #include "ik.h"
  20 #include "terrain.h"
  21 #include "character.h"
  22 #include "ragdoll.h"
  23 #include "rigidbody.h"
  24 #include "render.h"
  25 #include "gate.h"
  26 #include "water.h"
  27 #include "world.h"
  28 #include "player.h"
  29
  30 #include "shaders/blit.h"
  31 #include "shaders/standard.h"
  32 #include "shaders/unlit.h"
  33
  34 void vg_register(void)
  35 {
  36    shader_blit_register();
  37    shader_standard_register();
  38    shader_unlit_register();
  39
  40    terrain_register();
  41    character_register();
  42    water_register();
  43    gate_register();
  44 }
  45
  46 vg_tex2d *texture_list[] =
  47 {
  48    &tex_norwey,
  49    &tex_gradients,
  50    &tex_grid,
  51    &tex_sky,
  52    &tex_cement,
  53    &tex_water,
  54    &tex_water_surf
  55 };
  56
  57 int main( int argc, char *argv[] )
  58 {
  59    vg_init( argc, argv, "Voyager Game Engine" );
  60 }
  61
  62 #if 0
  63 rigidbody mr_box = {
  64    .bbx = {{ -1.0f, -0.25f, -0.25f }, { 1.0f, 0.25f, 0.25f }}
  65 };
  66
  67 rigidbody mrs_box = {
  68    .bbx = {{ -0.5f, -0.25f, -0.25f }, { 0.5f, 0.25f, 0.25f }}
  69 };
  70
  71 teleport_gate gate_a = {
  72    .co = { 0.0f, -3.0f, -15.0f },
  73    .q = { 0.0f, 0.0f, 0.0f, 1.0f }
  74 },
  75 gate_b = {
  76    .co = { -8.0f, -3.0f, -17.0f },
  77    .q = { 0.0f, 0.0f, 0.0f, 1.0f }
  78 };
  79 #endif
  80
  81 static int playermodel( int argc, char const *argv[] )
  82 {
  83    if( argc < 1 ) return 0;
  84
  85    glmesh old_mesh = player.mdl.mesh;
  86
  87    if( character_load( &player.mdl, argv[0] ) )
  88       mesh_free( &old_mesh );
  89
  90    return 1;
  91 }
  92
  93 void vg_start(void)
  94 {
  95    vg_convar_push( (struct vg_convar){
  96       .name = "freecam",
  97       .data = &freecam,
  98       .data_type = k_convar_dtype_i32,
  99       .opt_i32 = { .min=0, .max=1, .clamp=1 },
 100       .persistent = 1
 101    });
 102
 103    vg_convar_push( (struct vg_convar){
 104       .name = "debugcam",
 105       .data = &sv_debugcam,
 106       .data_type = k_convar_dtype_i32,
 107       .opt_i32 = { .min=0, .max=1, .clamp=0 },
 108       .persistent = 1
 109    });
 110
 111    vg_convar_push( (struct vg_convar){
 112       .name = "debugview",
 113       .data = &debugview,
 114       .data_type = k_convar_dtype_i32,
 115       .opt_i32 = { .min=0, .max=1, .clamp=0 },
 116       .persistent = 1
 117    });
 118
 119         vg_function_push( (struct vg_cmd){
 120                 .name = "reset",
 121                 .function = reset_player
 122         });
 123
 124    vg_tex2d_init( texture_list, vg_list_size( texture_list ) );
 125
 126    render_init();
 127    gate_init();
 128    terrain_init();
 129    character_init();
 130
 131    character_load( &player.mdl, "ch_default" );
 132    character_init_ragdoll( &player.mdl );
 133
 134    world_load();
 135
 136    reset_player( 1, (const char *[]){ "tutorial" } );
 137    player_transform_update();
 138 }
 139
 140 void vg_update(void)
 141 {
 142    player_update();
 143 }
 144
 145 static void vg_framebuffer_resize( int w, int h )
 146 {
 147    render_fb_resize();
 148    gate_fb_resize();
 149    water_fb_resize();
 150 }
 151
 152 void vg_render(void)
 153 {
 154    glBindFramebuffer( GL_FRAMEBUFFER, 0 );
 155    glViewport( 0,0, vg_window_x, vg_window_y );
 156
 157    glDisable( GL_DEPTH_TEST );
 158    glClearColor( 0.11f, 0.35f, 0.37f, 1.0f );
 159    glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
 160
 161    float speed = freecam? 0.0f: v3_length( player.v );
 162    v3f shake = { vg_randf()-0.5f, vg_randf()-0.5f, vg_randf()-0.5f };
 163    v3_muls( shake, speed*0.01f, shake );
 164
 165    if( player.is_dead )
 166    {
 167 #if 0
 168       v3f delta;
 169       v3_sub( player.mdl.ragdoll[k_chpart_head].co, player.follow, delta );
 170       v3_normalize(delta);
 171
 172       v3f follow_pos;
 173       v3_muladds( player.mdl.ragdoll[k_chpart_head].co, delta,
 174             -1.5f, follow_pos );
 175       v3_lerp( player.follow, follow_pos, 0.1f, player.follow );
 176       v3_negate( player.follow, final );
 177
 178
 179       float yaw = atan2f( delta[0], -delta[2] );
 180       float pitch = asinf( delta[1] );
 181       m4x3_rotate_x( world_matrix, -pitch );
 182       m4x3_rotate_y( world_matrix, yaw );
 183 #endif
 184    }
 185    else
 186    {
 187    }
 188
 189    m4x4f world_4x4;
 190    m4x3_expand( player.camera_inverse, world_4x4 );
 191
 192    gpipeline.fov = freecam? 60.0f: 120.0f;
 193    m4x4_projection( vg_pv, gpipeline.fov,
 194          (float)vg_window_x / (float)vg_window_y,
 195          0.025f, 1000.0f );
 196
 197    m4x4_mul( vg_pv, world_4x4, vg_pv );
 198
 199    vg_line( (v3f){ 0.0f, 0.0f, 0.0f }, (v3f){ 1.0f, 0.0f, 0.0f }, 0xffff0000 );
 200    vg_line( (v3f){ 0.0f, 0.0f, 0.0f }, (v3f){ 0.0f, 1.0f, 0.0f }, 0xff00ff00 );
 201    vg_line( (v3f){ 0.0f, 0.0f, 0.0f }, (v3f){ 0.0f, 0.0f, 1.0f }, 0xff0000ff );
 202
 203    glEnable( GL_DEPTH_TEST );
 204
 205    /*
 206     * Draw world
 207     */
 208
 209    render_world( vg_pv, player.camera );
 210    render_water_texture( player.camera );
 211
 212    glBindFramebuffer( GL_FRAMEBUFFER, 0 );
 213    render_water_surface( vg_pv );
 214
 215 #if 0
 216    vg_tex2d_bind( &tex_water, 1 );
 217    render_gate( &gate_a, cam_transform );
 218 #endif
 219
 220
 221    /* Copy the RGB of what we have into the background buffer */
 222    glBindFramebuffer( GL_READ_FRAMEBUFFER, 0 );
 223    glBindFramebuffer( GL_DRAW_FRAMEBUFFER, gpipeline.fb_background );
 224    glBlitFramebuffer( 0,0, vg_window_x, vg_window_y,
 225                       0,0, vg_window_x, vg_window_y,
 226                       GL_COLOR_BUFFER_BIT,
 227                       GL_LINEAR );
 228
 229    /* Clear out the colour buffer, but keep depth */
 230    glBindFramebuffer( GL_FRAMEBUFFER, 0 );
 231    glClearColor( 0.0f, 0.0f, 0.0f, 0.0f );
 232
 233    if( !player.is_dead )
 234       glClear( GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT );
 235    else
 236       glClear( GL_COLOR_BUFFER_BIT );
 237
 238    draw_player();
 239
 240    /* Draw back in the background */
 241    glEnable(GL_BLEND);
 242    glDisable(GL_DEPTH_TEST);
 243    glBlendFunc(GL_ONE_MINUS_DST_ALPHA, GL_DST_ALPHA);
 244    glBlendEquation(GL_FUNC_ADD);
 245
 246    shader_blit_use();
 247    shader_blit_uTexMain( 0 );
 248    glActiveTexture(GL_TEXTURE0);
 249    glBindTexture( GL_TEXTURE_2D, gpipeline.rgb_background );
 250
 251    render_fsquad();
 252    glDisable(GL_BLEND);
 253
 254    /* Other shite */
 255    glDisable( GL_DEPTH_TEST );
 256    vg_lines_drawall( (float *)vg_pv );
 257
 258    /* Debugger camera */
 259 #if 0
 260    glViewport( 0,0, 800, 800 );
 261    glClearColor( 0.1f, 0.0f, 0.2f, 1.0f );
 262    glClear( GL_DEPTH_BUFFER_BIT );
 263
 264    m4x3_identity( world_matrix );
 265
 266    v3f debugcam;
 267    v3_negate( player.co, debugcam );
 268    debugcam[2] -= 2.0f;
 269    debugcam[1] -= 0.7f;
 270
 271    m4x3_translate( world_matrix, debugcam );
 272    m4x3_expand( world_matrix, world_4x4 );
 273
 274    m4x4_projection( vg_pv,
 275          100.0f,
 276          (float)128.0f / (float)128.0f,
 277          0.1f, 1000.0f );
 278    m4x4_mul( vg_pv, world_4x4, vg_pv );
 279
 280    if(sv_debugcam)
 281    {
 282       glEnable( GL_DEPTH_TEST );
 283       draw_player();
 284    }
 285 #endif
 286
 287    glDisable( GL_DEPTH_TEST );
 288    vg_lines_drawall( (float *)vg_pv );
 289
 290    glViewport( 0,0, vg_window_x, vg_window_y );
 291 }
 292
 293 void vg_ui(void)
 294 {
 295    char buf[20];
 296
 297    snprintf( buf, 20, "%.2fm/s", v3_length( player.v ) );
 298    gui_text( (ui_px [2]){ 0, 0 }, buf, 1, k_text_align_left );
 299
 300    snprintf( buf, 20, "%.2f %.2f %.2f m/s",
 301          player.a[0], player.a[1], player.a[2] );
 302    gui_text( (ui_px [2]){ 0, 20 }, buf, 1, k_text_align_left );
 303
 304    snprintf( buf, 20, "pos %.2f %.2f %.2f",
 305          player.co[0], player.co[1], player.co[2] );
 306    gui_text( (ui_px [2]){ 0, 40 }, buf, 1, k_text_align_left );
 307
 308    if( vg_gamepad_ready )
 309    {
 310       for( int i=0; i<6; i++ )
 311       {
 312          snprintf( buf, 20, "%.2f", vg_gamepad.axes[i] );
 313          gui_text( (ui_px [2]){ 0, (i+3)*20 }, buf, 1, k_text_align_left );
 314       }
 315    }
 316    else
 317    {
 318       gui_text( (ui_px [2]){ 0, 60 },
 319             "Gamepad not ready", 1, k_text_align_left );
 320    }
 321 }
 322
 323 void vg_free(void){}