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_override.h"
  16 #include "shaders/scene_cubemapped.h"
  17 #include "shaders/scene_vertex_blend.h"
  18 #include "shaders/scene_terrain.h"
  19 #include "shaders/scene_fxglow.h"
  20 #include "shaders/scene_depth.h"
  21 #include "shaders/scene_position.h"
  22 #include "shaders/scene_font.h"
  23 #include "shaders/model_sky.h"
  24
  25 static const float k_world_light_cube_size = 8.0f;
  26
  27 struct world_render{
  28    GLuint tex_terrain_noise;
  29
  30    /* rendering */
  31    glmesh skydome;
  32
  33    double sky_time, sky_rate, sky_target_rate;
  34
  35    /* water rendering */
  36    struct{
  37       struct framebuffer fbreflect, fbdepth;
  38    }
  39    water;
  40
  41    v3f render_gate_pos;
  42    struct timer_text{
  43       char text[8];
  44       m4x3f transform;
  45       ent_gate *gate;
  46       ent_route *route;
  47    }
  48    timer_texts[4];
  49    u32 timer_text_count;
  50
  51    struct text_particle{
  52       rb_object obj;
  53       m4x3f mlocal;
  54       ent_glyph *glyph;
  55       v4f colour;
  56
  57       m4x3f mdl;
  58    }
  59    text_particles[6*4];
  60    u32 text_particle_count;
  61 }
  62 static world_render;
  63 static void world_render_init(void);
  64
  65 static void world_link_lighting_ub( world_instance *world, GLuint shader );
  66 static void world_bind_position_texture( world_instance *world,
  67                                             GLuint shader, GLuint location,
  68                                             int slot );
  69 static void world_bind_light_array( world_instance *world,
  70                                        GLuint shader, GLuint location,
  71                                        int slot );
  72 static void world_bind_light_index( world_instance *world,
  73                                        GLuint shader, GLuint location,
  74                                        int slot );
  75 static void render_world_position( world_instance *world, camera *cam );
  76 static void render_world_depth( world_instance *world, camera *cam );
  77 static void render_world( world_instance *world, camera *cam,
  78                              int layer_depth );
  79 static void render_world_cubemaps( world_instance *world );
  80 static void bind_terrain_noise(void);
  81
  82 #define WORLD_BIND_LIGHT_BUFFERS_UB0_TEX234( WORLD, SHADER )            \
  83    world_link_lighting_ub( WORLD, _shader_##SHADER.id );                \
  84    world_bind_position_texture( WORLD, _shader_##SHADER.id,             \
  85                                 _uniform_##SHADER##_g_world_depth, 2 ); \
  86    world_bind_light_array( WORLD, _shader_##SHADER.id,                  \
  87                            _uniform_##SHADER##_uLightsArray, 3 );       \
  88    world_bind_light_index( WORLD, _shader_##SHADER.id,                  \
  89                            _uniform_##SHADER##_uLightsIndex, 4 );
  90
  91 #endif /* WORLD_RENDER_H */