world_render.h

   1 /*
   2  * Copyright (C) 2021-2024 Mt.ZERO Software, Harry Godden - All Rights Reserved
   3  */
   4
   5 #pragma once
   6
   7 #define WORLD_CUBEMAP_RES 32
   8
   9 #include "vg/vg_camera.h"
  10 #include "world.h"
  11 #include "shaders/scene_standard.h"
  12 #include "shaders/scene_standard_alphatest.h"
  13 #include "shaders/scene_foliage.h"
  14 #include "shaders/scene_override.h"
  15 #include "shaders/scene_cubemapped.h"
  16 #include "shaders/scene_vertex_blend.h"
  17 #include "shaders/scene_terrain.h"
  18 #include "shaders/scene_fxglow.h"
  19 #include "shaders/scene_depth.h"
  20 #include "shaders/scene_position.h"
  21 #include "shaders/scene_font.h"
  22 #include "shaders/model_sky.h"
  23 #include "shaders/model_sky_space.h"
  24
  25 static const float k_world_light_cube_size = 8.0f;
  26
  27 struct world_render
  28 {
  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       rigidbody rb;
  54       m4x3f mlocal;
  55       ent_glyph *glyph;
  56       v4f colour;
  57       m4x3f mdl;
  58       f32 radius;
  59    }
  60    text_particles[6*4];
  61    u32 text_particle_count;
  62 }
  63 extern world_render;
  64
  65 void world_render_init(void);
  66
  67 void world_prerender( world_instance *world );
  68 void world_link_lighting_ub( world_instance *world, GLuint shader );
  69 void world_bind_position_texture( world_instance *world,
  70                                   GLuint shader, GLuint location,
  71                                   int slot );
  72 void world_bind_light_array( world_instance *world,
  73                              GLuint shader, GLuint location,
  74                              int slot );
  75 void world_bind_light_index( world_instance *world,
  76                              GLuint shader, GLuint location,
  77                              int slot );
  78 void render_world_position( world_instance *world, vg_camera *cam );
  79 void render_world_depth( world_instance *world, vg_camera *cam );
  80 void render_world( world_instance *world, vg_camera *cam,
  81                    int stenciled, int viewing_from_gate,
  82                    int with_water, int with_cubemaps );
  83 void render_world_cubemaps( world_instance *world );
  84 void bind_terrain_noise(void);
  85 void render_world_override( world_instance *world,
  86                             world_instance *lighting_source,
  87                             m4x3f mmdl,
  88                             vg_camera *cam,
  89                             ent_spawn *dest_spawn, v4f map_info );
  90 void render_world_gates( world_instance *world, vg_camera *cam );
  91 void imgui_world_light_edit( world_instance *world );
  92
  93 #define WORLD_BIND_LIGHT_BUFFERS_UB0_TEX234( WORLD, SHADER )            \
  94    world_link_lighting_ub( WORLD, _shader_##SHADER.id );                \
  95    world_bind_position_texture( WORLD, _shader_##SHADER.id,             \
  96                                 _uniform_##SHADER##_g_world_depth, 2 ); \
  97    world_bind_light_array( WORLD, _shader_##SHADER.id,                  \
  98                            _uniform_##SHADER##_uLightsArray, 3 );       \
  99    world_bind_light_index( WORLD, _shader_##SHADER.id,                  \
 100                            _uniform_##SHADER##_uLightsIndex, 4 );
 101