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 #include "shaders/model_sky_space.h"
  25
  26 static const float k_world_light_cube_size = 8.0f;
  27
  28 struct world_render{
  29    GLuint tex_terrain_noise;
  30
  31    /* rendering */
  32    glmesh skydome;
  33
  34    double sky_time, sky_rate, sky_target_rate;
  35
  36    /* water rendering */
  37    struct{
  38       struct framebuffer fbreflect, fbdepth;
  39    }
  40    water;
  41
  42    v3f render_gate_pos;
  43    struct timer_text{
  44       char text[8];
  45       m4x3f transform;
  46       ent_gate *gate;
  47       ent_route *route;
  48    }
  49    timer_texts[4];
  50    u32 timer_text_count;
  51
  52    struct text_particle{
  53       rb_object obj;
  54       m4x3f mlocal;
  55       ent_glyph *glyph;
  56       v4f colour;
  57
  58       m4x3f mdl;
  59    }
  60    text_particles[6*4];
  61    u32 text_particle_count;
  62 }
  63 static world_render;
  64 static void world_render_init(void);
  65
  66 static void world_link_lighting_ub( world_instance *world, GLuint shader );
  67 static void world_bind_position_texture( world_instance *world,
  68                                             GLuint shader, GLuint location,
  69                                             int slot );
  70 static void world_bind_light_array( world_instance *world,
  71                                        GLuint shader, GLuint location,
  72                                        int slot );
  73 static void world_bind_light_index( world_instance *world,
  74                                        GLuint shader, GLuint location,
  75                                        int slot );
  76 static void render_world_position( world_instance *world, camera *cam );
  77 static void render_world_depth( world_instance *world, camera *cam );
  78 static void render_world( world_instance *world, camera *cam,
  79                           int stenciled, int viewing_from_gate,
  80                           int with_water, int with_cubemaps );
  81 static void render_world_cubemaps( world_instance *world );
  82 static void bind_terrain_noise(void);
  83 static void render_world_override( world_instance *world,
  84                                    world_instance *lighting_source,
  85                                    m4x3f mmdl,
  86                                    camera *cam,
  87                                    ent_spawn *dest_spawn, v4f map_info );
  88
  89 #define WORLD_BIND_LIGHT_BUFFERS_UB0_TEX234( WORLD, SHADER )            \
  90    world_link_lighting_ub( WORLD, _shader_##SHADER.id );                \
  91    world_bind_position_texture( WORLD, _shader_##SHADER.id,             \
  92                                 _uniform_##SHADER##_g_world_depth, 2 ); \
  93    world_bind_light_array( WORLD, _shader_##SHADER.id,                  \
  94                            _uniform_##SHADER##_uLightsArray, 3 );       \
  95    world_bind_light_index( WORLD, _shader_##SHADER.id,                  \
  96                            _uniform_##SHADER##_uLightsIndex, 4 );
  97
  98 #endif /* WORLD_RENDER_H */