world.h

   1 /*
   2  * Copyright (C) 2021-2023 Mt.ZERO Software, Harry Godden - All Rights Reserved
   3  */
   4
   5 #ifndef WORLD_H
   6 #define WORLD_H
   7
   8 #include "render.h"
   9
  10 /* types
  11  */
  12
  13 enum world_geo_type{
  14    k_world_geo_type_solid = 0,
  15    k_world_geo_type_nonsolid = 1,
  16    k_world_geo_type_water = 2
  17 };
  18
  19 typedef struct world_instance world_instance;
  20
  21 /* submodule headers */
  22 #include "world_entity.h"
  23 #include "world_gate.h"
  24 #include "world_gen.h"
  25 #include "world_info.h"
  26 #include "world_load.h"
  27 #include "world_physics.h"
  28 #include "world_render.h"
  29 #include "world_sfd.h"
  30 #include "world_volumes.h"
  31 #include "world_water.h"
  32 #include "world_audio.h"
  33 #include "world_routes.h"
  34
  35 /* console variables */
  36
  37 static float k_day_length            = 30.0f; /* minutes */
  38 static int   k_debug_light_indices   = 0,
  39              k_debug_light_complexity= 0,
  40              k_light_preview         = 0;
  41
  42
  43 struct world_instance {
  44    /* Fixed items
  45     * -------------------------------------------------------
  46     */
  47
  48    void *heap;
  49    enum world_status{
  50       k_world_status_unloaded = 0,
  51       k_world_status_loading = 1,
  52       k_world_status_loaded = 2,
  53       k_world_status_unloading = 3  /* dont spawn sounds and stuff */
  54    }
  55    status;
  56
  57    struct{
  58       boxf depthbounds;
  59       int depth_computed;
  60
  61       float height;
  62       int enabled;
  63       v4f plane;
  64    }
  65    water;
  66
  67    f64 time;
  68
  69    /* STD140 */
  70    struct ub_world_lighting{
  71       v4f g_cube_min,
  72           g_cube_inv_range;
  73
  74       v4f g_water_plane,
  75           g_depth_bounds;
  76
  77       v4f g_daysky_colour;
  78       v4f g_nightsky_colour;
  79       v4f g_sunset_colour;
  80       v4f g_ambient_colour;
  81       v4f g_sunset_ambient;
  82       v4f g_sun_colour;
  83       v4f g_sun_dir;
  84       v4f g_board_0;
  85       v4f g_board_1;
  86
  87       float g_water_fog;
  88       float g_time;
  89       float g_realtime;
  90       float g_shadow_length;
  91       float g_shadow_spread;
  92
  93       float g_time_of_day;
  94       float g_day_phase;
  95       float g_sunset_phase;
  96
  97       int g_light_preview;
  98       int g_shadow_samples;
  99
 100       int g_debug_indices;
 101       int g_debug_complexity;
 102    }
 103    ub_lighting;
 104    GLuint ubo_lighting;
 105    int    ubo_bind_point;
 106
 107    GLuint tbo_light_entities,
 108           tex_light_entities,
 109           tex_light_cubes;
 110
 111    float probabilities[3];
 112
 113    v3i light_cubes;
 114    struct framebuffer heightmap;
 115
 116    /*
 117     * Dynamically allocated when world_load is called.
 118     *
 119     *                  the following arrays index somewhere into this linear
 120     *                  allocator
 121     * --------------------------------------------------------------------------
 122     */
 123
 124    /*
 125     * Main world .mdl
 126     */
 127    mdl_context meta;
 128
 129    GLuint *textures;
 130    u32 texture_count;
 131
 132    struct world_surface{
 133       mdl_material info;
 134       mdl_submesh sm_geo,
 135                   sm_no_collide;
 136    }
 137    * surfaces;
 138    u32 surface_count;
 139
 140    ent_worldinfo info;
 141    mdl_array_ptr ent_spawn,
 142                  ent_gate,
 143                  ent_light,
 144                  ent_route_node,
 145                  ent_path_index,
 146                  ent_checkpoint,
 147                  ent_route,
 148                  ent_water,
 149
 150                  ent_audio_clip,
 151                  ent_audio,
 152                  ent_volume,
 153                  ent_traffic,
 154                  ent_skateshop,
 155                  ent_marker,
 156                  ent_camera,
 157                  ent_swspreview;
 158
 159    ent_gate *rendering_gate;
 160
 161    /* logic
 162     * ----------------------------------------------------
 163     */
 164
 165    /* world geometry */
 166    scene_context scene_geo,
 167                  scene_no_collide,
 168                  scene_lines;
 169
 170    /* spacial mappings */
 171    bh_tree *audio_bh,
 172            *volume_bh,
 173            *geo_bh;
 174
 175    /* graphics */
 176    glmesh mesh_route_lines;
 177    glmesh mesh_geo,
 178           mesh_no_collide,
 179           mesh_water;
 180
 181    rb_object rb_geo;
 182 };
 183
 184 struct world_static {
 185    /*
 186     * Allocated as system memory
 187     * --------------------------------------------------------------------------
 188     */
 189    void *heap;
 190
 191    u32 current_run_version;
 192    double time, rewind_from, rewind_to, last_use;
 193
 194    int in_volume;
 195
 196    world_instance worlds[4];
 197    u32            active_world;
 198 }
 199 static world_static;
 200
 201 static void world_init(void);
 202 static world_instance *world_current_instance(void);
 203
 204 #endif /* WORLD_H */