/*
- * Copyright (C) 2021-2022 Mt.ZERO Software, Harry Godden - All Rights Reserved
+ * Copyright (C) 2021-2023 Mt.ZERO Software, Harry Godden - All Rights Reserved
*/
#ifndef WORLD_RENDER_H
#define WORLD_RENDER_H
+#define WORLD_CUBEMAP_RES 32
+
#include "camera.h"
#include "world.h"
-/* FIXME */
-VG_STATIC vg_tex2d tex_terrain_noise = { .path = "textures/garbage.qoi",
- .flags = VG_TEXTURE_NEAREST };
-
-VG_STATIC void world_render_init(void)
-{
- vg_info( "Loading default world textures\n" );
-
- vg_acquire_thread_sync();
- {
- vg_tex2d_init( (vg_tex2d *[]){ &tex_terrain_noise }, 1 );
-
+#include "shaders/scene_standard.h"
+#include "shaders/scene_standard_alphatest.h"
+#include "shaders/scene_override.h"
+#include "shaders/scene_cubemapped.h"
+#include "shaders/scene_vertex_blend.h"
+#include "shaders/scene_terrain.h"
+#include "shaders/scene_fxglow.h"
+#include "shaders/scene_depth.h"
+#include "shaders/scene_position.h"
+#include "shaders/scene_font.h"
+#include "shaders/model_sky.h"
+#include "shaders/model_sky_space.h"
- vg_info( "Allocate uniform buffers\n" );
- for( int i=0; i<4; i++ )
- {
- world_instance *world = &world_global.worlds[i];
- world->ubo_bind_point = i;
+static const float k_world_light_cube_size = 8.0f;
- glGenBuffers( 1, &world->ubo_lighting );
- glBindBuffer( GL_UNIFORM_BUFFER, world->ubo_lighting );
- glBufferData( GL_UNIFORM_BUFFER, sizeof(struct ub_world_lighting),
- NULL, GL_DYNAMIC_DRAW );
+struct world_render{
+ GLuint tex_terrain_noise;
- glBindBufferBase( GL_UNIFORM_BUFFER, i, world->ubo_lighting );
- VG_CHECK_GL_ERR();
- }
+ /* rendering */
+ glmesh skydome;
- vg_info( "Allocate frame buffers\n" );
- for( int i=0; i<4; i++ )
- {
- world_instance *world = &world_global.worlds[i];
- struct framebuffer *fb = &world->heightmap;
+ double sky_time, sky_rate, sky_target_rate;
- fb->display_name = NULL;
- fb->link = NULL;
- fb->fixed_w = 1024;
- fb->fixed_h = 1024;
- fb->resolution_div = 0;
-
- /* TODO: We could get away with this being R16u, and just have it be
- * a normed value between min and max of the bounding box Y */
-
- fb->attachments[0].display_name = NULL;
- fb->attachments[0].purpose = k_framebuffer_attachment_type_colour;
- fb->attachments[0].internalformat = GL_RG16F;
- fb->attachments[0].format = GL_RG;
- fb->attachments[0].type = GL_FLOAT;
- fb->attachments[0].attachment = GL_COLOR_ATTACHMENT0;
+ /* water rendering */
+ struct{
+ struct framebuffer fbreflect, fbdepth;
+ }
+ water;
+
+ v3f render_gate_pos;
+ struct timer_text{
+ char text[8];
+ m4x3f transform;
+ ent_gate *gate;
+ ent_route *route;
+ }
+ timer_texts[4];
+ u32 timer_text_count;
- fb->attachments[1].purpose = k_framebuffer_attachment_type_none;
- fb->attachments[2].purpose = k_framebuffer_attachment_type_none;
- fb->attachments[3].purpose = k_framebuffer_attachment_type_none;
- fb->attachments[4].purpose = k_framebuffer_attachment_type_none;
+ struct text_particle{
+ rb_object obj;
+ m4x3f mlocal;
+ ent_glyph *glyph;
+ v4f colour;
- render_fb_allocate( fb );
- }
+ m4x3f mdl;
}
- vg_release_thread_sync();
-}
-
-VG_STATIC void world_link_lighting_ub( world_instance *world, GLuint shader )
-{
- GLuint idx = glGetUniformBlockIndex( shader, "ub_world_lighting" );
- glUniformBlockBinding( shader, idx, world->ubo_bind_point );
+ text_particles[6*4];
+ u32 text_particle_count;
}
+static world_render;
+static void world_render_init(void);
-VG_STATIC void world_bind_position_texture( world_instance *world,
+static void world_link_lighting_ub( world_instance *world, GLuint shader );
+static void world_bind_position_texture( world_instance *world,
GLuint shader, GLuint location,
- int slot )
-{
- render_fb_bind_texture( &world->heightmap, 0, slot );
- glUniform1i( location, slot );
-}
-
-VG_STATIC void world_bind_light_array( world_instance *world,
+ int slot );
+static void world_bind_light_array( world_instance *world,
GLuint shader, GLuint location,
- int slot )
-{
- glActiveTexture( GL_TEXTURE0 + slot );
- glBindTexture( GL_TEXTURE_BUFFER, world->tex_light_entities );
- glUniform1i( location, slot );
-}
-
-VG_STATIC void world_bind_light_index( world_instance *world,
+ int slot );
+static void world_bind_light_index( world_instance *world,
GLuint shader, GLuint location,
- int slot )
-{
- glActiveTexture( GL_TEXTURE0 + slot );
- glBindTexture( GL_TEXTURE_3D, world->tex_light_cubes );
- glUniform1i( location, slot );
-}
-
-VG_STATIC void render_world_depth( world_instance *world, camera *cam );
-
-/*
- * Rendering
- */
-
-VG_STATIC void bind_terrain_noise(void)
-{
- vg_tex2d_bind( &tex_terrain_noise, 0 );
-}
-
-typedef void (*func_bind_point)( world_instance *world,
- struct world_surface *mat );
-
-VG_STATIC void world_render_if( world_instance *world,
- enum mdl_shader shader,
- enum geo_type geo_type,
- func_bind_point bind_point )
-{
-
- for( int i=0; i<world->surface_count; i++ )
- {
- struct world_surface *mat = &world->surfaces[i];
-
- if( mat->info.shader == shader )
- {
- mdl_submesh *sm;
-
- if( geo_type == k_geo_type_solid )
- sm = &mat->sm_geo;
- else
- sm = &mat->sm_no_collide;
-
- if( !sm->indice_count )
- continue;
-
- bind_point( world, mat );
- mdl_draw_submesh( sm );
- }
- }
-}
-
-VG_STATIC
-void world_render_both_stages( world_instance *world,
- enum mdl_shader shader,
- func_bind_point bind_point )
-{
- mesh_bind( &world->mesh_geo );
- world_render_if( world, shader, k_geo_type_solid, bind_point );
-
- glDisable( GL_CULL_FACE );
- mesh_bind( &world->mesh_no_collide );
- world_render_if( world, shader, k_geo_type_nonsolid, bind_point );
- glEnable( GL_CULL_FACE );
-}
-
-VG_STATIC void bindpoint_diffuse_texture1( world_instance *world,
- struct world_surface *mat )
-{
- glActiveTexture( GL_TEXTURE1 );
- glBindTexture( GL_TEXTURE_2D, world->textures[ mat->info.tex_diffuse ] );
-}
-
-VG_STATIC void render_world_vb( world_instance *world, camera *cam )
-{
- m4x3f identity_matrix;
- m4x3_identity( identity_matrix );
-
- shader_scene_vertex_blend_use();
- shader_scene_vertex_blend_uTexGarbage(0);
- shader_scene_vertex_blend_uTexGradients(1);
- world_link_lighting_ub( world, _shader_scene_vertex_blend.id );
- world_bind_position_texture( world, _shader_scene_vertex_blend.id,
- _uniform_scene_vertex_blend_g_world_depth, 2 );
- world_bind_light_array( world, _shader_scene_vertex_blend.id,
- _uniform_scene_vertex_blend_uLightsArray, 3 );
- world_bind_light_index( world, _shader_scene_vertex_blend.id,
- _uniform_scene_vertex_blend_uLightsIndex, 4 );
-
- vg_tex2d_bind( &tex_terrain_noise, 0 );
-
- shader_scene_vertex_blend_uPv( cam->mtx.pv );
- shader_scene_vertex_blend_uPvmPrev( cam->mtx_prev.pv );
- shader_scene_vertex_blend_uMdl( identity_matrix );
- shader_scene_vertex_blend_uCamera( cam->transform[3] );
- shader_scene_vertex_blend_uBoard0( TEMP_BOARD_0 );
- shader_scene_vertex_blend_uBoard1( TEMP_BOARD_1 );
-
- world_render_both_stages( world, k_shader_standard_vertex_blend,
- bindpoint_diffuse_texture1 );
-}
-
-VG_STATIC void render_world_standard( world_instance *world, camera *cam )
-{
- m4x3f identity_matrix;
- m4x3_identity( identity_matrix );
-
- shader_scene_standard_use();
- shader_scene_standard_uTexGarbage(0);
- shader_scene_standard_uTexMain(1);
- shader_scene_standard_uPv( cam->mtx.pv );
- shader_scene_standard_uPvmPrev( cam->mtx_prev.pv );
-
- world_link_lighting_ub( world, _shader_scene_standard.id );
- world_bind_position_texture( world, _shader_scene_standard.id,
- _uniform_scene_standard_g_world_depth, 2 );
- world_bind_light_array( world, _shader_scene_standard.id,
- _uniform_scene_standard_uLightsArray, 3 );
- world_bind_light_index( world, _shader_scene_standard.id,
- _uniform_scene_standard_uLightsIndex, 4 );
-
- bind_terrain_noise();
-
- shader_scene_standard_uMdl( identity_matrix );
- shader_scene_standard_uCamera( cam->transform[3] );
- shader_scene_standard_uBoard0( TEMP_BOARD_0 );
- shader_scene_standard_uBoard1( TEMP_BOARD_1 );
-
- world_render_both_stages( world, k_shader_standard,
- bindpoint_diffuse_texture1 );
-}
-
-VG_STATIC void render_world_alphatest( world_instance *world, camera *cam )
-{
- m4x3f identity_matrix;
- m4x3_identity( identity_matrix );
-
- shader_scene_standard_alphatest_use();
- shader_scene_standard_alphatest_uTexGarbage(0);
- shader_scene_standard_alphatest_uTexMain(1);
- shader_scene_standard_alphatest_uPv( cam->mtx.pv );
- shader_scene_standard_alphatest_uPvmPrev( cam->mtx_prev.pv );
-
- world_link_lighting_ub( world, _shader_scene_standard_alphatest.id );
- world_bind_position_texture( world, _shader_scene_standard_alphatest.id,
- _uniform_scene_standard_alphatest_g_world_depth, 2 );
- world_bind_light_array( world, _shader_scene_standard_alphatest.id,
- _uniform_scene_standard_alphatest_uLightsArray, 3 );
- world_bind_light_index( world, _shader_scene_standard_alphatest.id,
- _uniform_scene_standard_alphatest_uLightsIndex, 4 );
-
-
- bind_terrain_noise();
-
- shader_scene_standard_alphatest_uMdl( identity_matrix );
- shader_scene_standard_alphatest_uCamera( cam->transform[3] );
- shader_scene_standard_alphatest_uBoard0( TEMP_BOARD_0 );
- shader_scene_standard_alphatest_uBoard1( TEMP_BOARD_1 );
-
- glDisable(GL_CULL_FACE);
-
- world_render_both_stages( world, k_shader_standard_cutout,
- bindpoint_diffuse_texture1 );
-
- glEnable(GL_CULL_FACE);
-}
-
-VG_STATIC void bindpoint_terrain( world_instance *world,
- struct world_surface *mat )
-{
- glActiveTexture( GL_TEXTURE1 );
- glBindTexture( GL_TEXTURE_2D, world->textures[ mat->info.tex_diffuse ] );
-
- shader_scene_terrain_uSandColour( mat->info.colour );
- shader_scene_terrain_uBlendOffset( mat->info.colour1 );
-}
-
-VG_STATIC void render_terrain( world_instance *world, camera *cam )
-{
- m4x3f identity_matrix;
- m4x3_identity( identity_matrix );
-
- shader_scene_terrain_use();
- shader_scene_terrain_uTexGarbage(0);
- shader_scene_terrain_uTexGradients(1);
-
- world_link_lighting_ub( world, _shader_scene_terrain.id );
- world_bind_position_texture( world, _shader_scene_terrain.id,
- _uniform_scene_terrain_g_world_depth, 2 );
- world_bind_light_array( world, _shader_scene_terrain.id,
- _uniform_scene_terrain_uLightsArray, 3 );
- world_bind_light_index( world, _shader_scene_terrain.id,
- _uniform_scene_terrain_uLightsIndex, 4 );
-
- vg_tex2d_bind( &tex_terrain_noise, 0 );
-
- shader_scene_terrain_uPv( cam->mtx.pv );
- shader_scene_terrain_uPvmPrev( cam->mtx_prev.pv );
-
- shader_scene_terrain_uMdl( identity_matrix );
- shader_scene_terrain_uCamera( cam->transform[3] );
- shader_scene_terrain_uBoard0( TEMP_BOARD_0 );
- shader_scene_terrain_uBoard1( TEMP_BOARD_1 );
-
- world_render_both_stages( world, k_shader_terrain_blend, bindpoint_terrain );
-}
-
-VG_STATIC void render_sky( world_instance *world, camera *cam )
-{
- /*
- * Modify matrix to remove clipping and view translation
- */
- m4x4f v,
- v_prev,
- pv,
- pv_prev;
-
- m4x4_copy( cam->mtx.v, v );
- m4x4_copy( cam->mtx_prev.v, v_prev );
- v3_zero( v[3] );
- v3_zero( v_prev[3] );
-
- m4x4_copy( cam->mtx.p, pv );
- m4x4_copy( cam->mtx_prev.p, pv_prev );
- m4x4_reset_clipping( pv, cam->farz, cam->nearz );
- m4x4_reset_clipping( pv_prev, cam->farz, cam->nearz );
-
- m4x4_mul( pv, v, pv );
- m4x4_mul( pv_prev, v_prev, pv_prev );
-
- m4x3f identity_matrix;
- m4x3_identity( identity_matrix );
-
- /*
- * Draw
- */
- shader_model_sky_use();
- shader_model_sky_uMdl( identity_matrix );
- shader_model_sky_uPv( pv );
- shader_model_sky_uPvmPrev( pv_prev );
- shader_model_sky_uTexGarbage(0);
- world_link_lighting_ub( world, _shader_model_sky.id );
-
- vg_tex2d_bind( &tex_terrain_noise, 0 );
-
- glDepthMask( GL_FALSE );
- glDisable( GL_DEPTH_TEST );
-
- mesh_bind( &world_global.skydome );
- mesh_draw( &world_global.skydome );
-
- glEnable( GL_DEPTH_TEST );
- glDepthMask( GL_TRUE );
-}
-
-VG_STATIC void render_world_gates( world_instance *world, camera *cam )
-{
- float closest = INFINITY;
-
- struct ent_gate *gate = NULL;
-
- for( u32 i=0; i<mdl_arrcount(&world->ent_gate); i++ ){
- ent_gate *gi = mdl_arritm( &world->ent_gate, i );
-
- if( gi->type == k_gate_type_unlinked )
- continue;
-
- float dist = v3_dist2( gi->co[0], cam->transform[3] );
-
- vg_line_pt3( gi->co[0], 0.25f, VG__BLUE );
-
- if( dist < closest ){
- closest = dist;
- gate = gi;
- }
- }
-
- if( gate ){
-#if 0
- world_instance *dest_world = &world_global.worlds[ gate->world_index ];
- render_gate( dest_world, gate, cam );
-#else
- render_gate( world, gate, cam );
-#endif
- }
-}
-
-VG_STATIC void render_world( world_instance *world, camera *cam )
-{
- render_sky( world, cam );
-
- render_world_routes( world, cam );
- render_world_standard( world, cam );
- render_world_vb( world, cam );
- render_world_alphatest( world, cam );
- render_terrain( world, cam );
-
- /* Render SFD's */
- u32 closest = 0;
- float min_dist = INFINITY;
-
- if( !mdl_arrcount( &world->ent_route ) )
- return;
-
- for( u32 i=0; i<mdl_arrcount( &world->ent_route ); i++ ){
- ent_route *route = mdl_arritm( &world->ent_route, i );
- float dist = v3_dist2( route->board_transform[3], cam->pos );
-
- if( dist < min_dist ){
- min_dist = dist;
- closest = i;
- }
- }
-
- ent_route *route = mdl_arritm( &world->ent_route, closest );
- sfd_render( world, cam, route->board_transform );
-}
-
-VG_STATIC void render_world_depth( world_instance *world, camera *cam )
-{
- m4x3f identity_matrix;
- m4x3_identity( identity_matrix );
-
- shader_scene_depth_use();
- shader_scene_depth_uCamera( cam->transform[3] );
- shader_scene_depth_uPv( cam->mtx.pv );
- shader_scene_depth_uPvmPrev( cam->mtx_prev.pv );
- shader_scene_depth_uMdl( identity_matrix );
- world_link_lighting_ub( world, _shader_scene_depth.id );
-
- mesh_bind( &world->mesh_geo );
- mesh_draw( &world->mesh_geo );
-}
-
-VG_STATIC void render_world_position( world_instance *world, camera *cam )
-{
- m4x3f identity_matrix;
- m4x3_identity( identity_matrix );
-
- shader_scene_position_use();
- shader_scene_position_uCamera( cam->transform[3] );
- shader_scene_position_uPv( cam->mtx.pv );
- shader_scene_position_uPvmPrev( cam->mtx_prev.pv );
- shader_scene_position_uMdl( identity_matrix );
- world_link_lighting_ub( world, _shader_scene_position.id );
-
- mesh_bind( &world->mesh_geo );
- mesh_draw( &world->mesh_geo );
-}
+ int slot );
+static void render_world_position( world_instance *world, camera *cam );
+static void render_world_depth( world_instance *world, camera *cam );
+static void render_world( world_instance *world, camera *cam,
+ int stenciled, int viewing_from_gate,
+ int with_water, int with_cubemaps );
+static void render_world_cubemaps( world_instance *world );
+static void bind_terrain_noise(void);
+static void render_world_override( world_instance *world,
+ world_instance *lighting_source,
+ m4x3f mmdl,
+ camera *cam,
+ ent_spawn *dest_spawn, v4f map_info );
+
+#define WORLD_BIND_LIGHT_BUFFERS_UB0_TEX234( WORLD, SHADER ) \
+ world_link_lighting_ub( WORLD, _shader_##SHADER.id ); \
+ world_bind_position_texture( WORLD, _shader_##SHADER.id, \
+ _uniform_##SHADER##_g_world_depth, 2 ); \
+ world_bind_light_array( WORLD, _shader_##SHADER.id, \
+ _uniform_##SHADER##_uLightsArray, 3 ); \
+ world_bind_light_index( WORLD, _shader_##SHADER.id, \
+ _uniform_##SHADER##_uLightsIndex, 4 );
#endif /* WORLD_RENDER_H */