world_render.h

   1 /*
   2  * Copyright (C) 2021-2023 Mt.ZERO Software, Harry Godden - All Rights Reserved
   3  */
   4
   5 #ifndef WORLD_RENDER_H
   6 #define WORLD_RENDER_H
   7
   8 #define WORLD_CUBEMAP_RES 32
   9
  10 #include "camera.h"
  11 #include "world.h"
  12
  13 #include "shaders/scene_standard.h"
  14 #include "shaders/scene_standard_alphatest.h"
  15 #include "shaders/scene_foliage.h"
  16 #include "shaders/scene_override.h"
  17 #include "shaders/scene_cubemapped.h"
  18 #include "shaders/scene_vertex_blend.h"
  19 #include "shaders/scene_terrain.h"
  20 #include "shaders/scene_fxglow.h"
  21 #include "shaders/scene_depth.h"
  22 #include "shaders/scene_position.h"
  23 #include "shaders/scene_font.h"
  24 #include "shaders/model_sky.h"
  25 #include "shaders/model_sky_space.h"
  26
  27 static const float k_world_light_cube_size = 8.0f;
  28
  29 struct world_render{
  30    GLuint tex_terrain_noise;
  31
  32    /* rendering */
  33    glmesh skydome;
  34
  35    double sky_time, sky_rate, sky_target_rate;
  36
  37    /* water rendering */
  38    struct{
  39       struct framebuffer fbreflect, fbdepth;
  40    }
  41    water;
  42
  43    v3f render_gate_pos;
  44    struct timer_text{
  45       char text[8];
  46       m4x3f transform;
  47       ent_gate *gate;
  48       ent_route *route;
  49    }
  50    timer_texts[4];
  51    u32 timer_text_count;
  52
  53    struct text_particle{
  54       rigidbody rb;
  55       m4x3f mlocal;
  56       ent_glyph *glyph;
  57       v4f colour;
  58       m4x3f mdl;
  59       f32 radius;
  60    }
  61    text_particles[6*4];
  62    u32 text_particle_count;
  63 }
  64 static world_render;
  65 static void world_render_init(void);
  66
  67 static void world_link_lighting_ub( world_instance *world, GLuint shader );
  68 static void world_bind_position_texture( world_instance *world,
  69                                             GLuint shader, GLuint location,
  70                                             int slot );
  71 static void world_bind_light_array( world_instance *world,
  72                                        GLuint shader, GLuint location,
  73                                        int slot );
  74 static void world_bind_light_index( world_instance *world,
  75                                        GLuint shader, GLuint location,
  76                                        int slot );
  77 static void render_world_position( world_instance *world, camera *cam );
  78 static void render_world_depth( world_instance *world, camera *cam );
  79 static void render_world( world_instance *world, camera *cam,
  80                           int stenciled, int viewing_from_gate,
  81                           int with_water, int with_cubemaps );
  82 static void render_world_cubemaps( world_instance *world );
  83 static void bind_terrain_noise(void);
  84 static void render_world_override( world_instance *world,
  85                                    world_instance *lighting_source,
  86                                    m4x3f mmdl,
  87                                    camera *cam,
  88                                    ent_spawn *dest_spawn, v4f map_info );
  89
  90 #define WORLD_BIND_LIGHT_BUFFERS_UB0_TEX234( WORLD, SHADER )            \
  91    world_link_lighting_ub( WORLD, _shader_##SHADER.id );                \
  92    world_bind_position_texture( WORLD, _shader_##SHADER.id,             \
  93                                 _uniform_##SHADER##_g_world_depth, 2 ); \
  94    world_bind_light_array( WORLD, _shader_##SHADER.id,                  \
  95                            _uniform_##SHADER##_uLightsArray, 3 );       \
  96    world_bind_light_index( WORLD, _shader_##SHADER.id,                  \
  97                            _uniform_##SHADER##_uLightsIndex, 4 );
  98
  99 #endif /* WORLD_RENDER_H */