X-Git-Url: https://harrygodden.com/git/?a=blobdiff_plain;f=world_water.h;h=b45ee3a260ab351b783544234a386026e7ccc899;hb=refs%2Fheads%2Frigidbody;hp=85f4b5debd4766d7ee81f1fb3f379d8454653347;hpb=86dbcd5796ed674ca9433cce1ace8bef322cd121;p=carveJwlIkooP6JGAAIwe30JlM.git

diff --git a/world_water.h b/world_water.h
index 85f4b5d..b45ee3a 100644
--- a/world_water.h
+++ b/world_water.h
@@ -1,174 +1,20 @@
+/*
+ * Copyright (C) 2021-2023 Mt.ZERO Software, Harry Godden - All Rights Reserved
+ */
+
 #ifndef WATER_H
 #define WATER_H
 
 #include "world.h"
-#include "render.h"
-#include "shaders/water.h"
-#include "scene.h"
-
-vg_tex2d tex_water_surf = { .path = "textures/water_surf.qoi" };
-
-static struct
-{
-   struct framebuffer fbreflect, fbdepth;
-   glmesh mdl;
-
-   boxf depthbounds;
-   int depth_computed;
-
-   float height;
-   int enabled;
-   v4f plane;
-}
-wrender =
-{
-   .fbreflect = { .format = GL_RGB,  .div = 3 },
-   .fbdepth   = { .format = GL_RGBA, .div = 4 }
-};
-
-static void world_water_register(void)
-{
-   shader_water_register();
-}
-
-static void world_water_init(void)
-{
-   /* TODO: probably dont do this every time */
-   wrender.enabled = 1;
-   
-   fb_init( &wrender.fbreflect );
-   fb_init( &wrender.fbdepth );
-}
-
-static void water_fb_resize(void)
-{
-   if( !wrender.enabled )
-      return;
-   
-   fb_resize( &wrender.fbreflect );
-   fb_resize( &wrender.fbdepth );
-}
-
-static void water_set_surface( glmesh *surf, float height )
-{
-   wrender.mdl = *surf;
-   wrender.height = height;
-
-   v4_copy( (v4f){ 0.0f, 1.0f, 0.0f, height }, wrender.plane );
-}
-
-static void render_water_texture( m4x3f camera )
-{
-   if( !wrender.enabled )
-      return;
-
-   /* Draw reflection buffa */
-   fb_use( &wrender.fbreflect );
-   glClear( GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT );
-
-   m4x3f new_cam, inverse;
-   v3_copy( camera[3], new_cam[3] );
-   new_cam[3][1] -= 2.0f * (camera[3][1] - wrender.height);
-
-   m3x3f flip;
-   m3x3_identity( flip );
-   flip[1][1] = -1.0f;
-   m3x3_mul( flip, camera, new_cam );
-
-
-   v3f p0;
-   m3x3_mulv( new_cam, (v3f){0.0f,0.0f,-1.0f}, p0 );
-   v3_add( new_cam[3], p0, p0 );
-   vg_line( new_cam[3], p0, 0xffffffff );
 
-   m4x4f view;
-   vg_line_pt3( new_cam[3], 0.3f, 0xff00ffff );
-
-   m4x3_invert_affine( new_cam, inverse );
-   m4x3_expand( inverse, view );
-
-   v4f clippa = { 0.0f, 1.0f, 0.0f, wrender.height-0.1f };
-   m4x3_mulp( inverse, clippa, clippa );
-   clippa[3] *= -1.0f;
-
-   m4x4f projection;
-   m4x4_projection( projection,
-         gpipeline.fov,
-         (float)vg_window_x / (float)vg_window_y, 
-         0.1f, 900.0f );
-   plane_clip_projection( projection, clippa );
-   m4x4_mul( projection, view, projection );
-
-   glCullFace( GL_FRONT );
-   render_world( projection, new_cam );
-   glCullFace( GL_BACK );
-
-
-   /* Draw beneath texture */
-   fb_use( &wrender.fbdepth );
-   glClear( GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT );
-
-   m4x3_invert_affine( camera, inverse );
-   m4x3_expand( inverse, view );
-
-   float bias = -(camera[3][1]-wrender.height)*0.1f;
-   v4f clippb = { 0.0f, -1.0f, 0.0f, -(wrender.height) + bias };
-   m4x3_mulp( inverse, clippb, clippb );
-   clippb[3] *= -1.0f;
-
-   m4x4_projection( projection,
-         gpipeline.fov,
-         (float)vg_window_x / (float)vg_window_y, 
-         0.1f, 900.0f );
-
-   plane_clip_projection( projection, clippb );
-   m4x4_mul( projection, view, projection );
-   render_world_depth( projection, camera );
-   
-   glViewport( 0, 0, vg_window_x, vg_window_y );
+struct world_water{
+   GLuint tex_water_surf;
 }
+static world_water;
+static void world_water_init(void);
 
-static void render_water_surface( m4x4f pv, m4x3f camera )
-{
-   if( !wrender.enabled )
-      return;
-
-   /* Draw surface */
-   shader_water_use();
-   
-   fb_bindtex( &wrender.fbreflect, 0 );
-   shader_water_uTexMain( 0 );
-
-   vg_tex2d_bind( &tex_water_surf, 1 );
-   shader_water_uTexDudv( 1 );
-   shader_water_uInvRes( (v2f){
-         1.0f / (float)vg_window_x,
-         1.0f / (float)vg_window_y });
-
-   shader_link_standard_ub( _shader_water.id, 2 );
-
-   fb_bindtex( &wrender.fbdepth, 3 );
-   shader_water_uTexBack( 3 );
-   shader_water_uTime( vg_time );
-   shader_water_uCamera( camera[3] );
-   shader_water_uSurfaceY( wrender.height );
-
-   shader_water_uPv( pv );
-
-   m4x3f full;
-   m4x3_identity( full );
-   full[3][1] = wrender.height;
-
-   shader_water_uMdl( full );
-
-   glEnable(GL_BLEND);
-   glBlendFunc(GL_SRC_ALPHA,GL_ONE_MINUS_SRC_ALPHA);
-   glBlendEquation(GL_FUNC_ADD);
-
-   mesh_bind( &wrender.mdl );
-   mesh_draw( &wrender.mdl );
-
-   glDisable(GL_BLEND);
-}
+static void water_set_surface( world_instance *world, float height );
+static void render_water_texture( world_instance *world, camera *cam );
+static void render_water_surface( world_instance *world, camera *cam );
 
 #endif /* WATER_H */