well yeah i guess

[carveJwlIkooP6JGAAIwe30JlM.git] / world_water.h

diff --git a/world_water.h b/world_water.h
index 85f4b5debd4766d7ee81f1fb3f379d8454653347..656f1b2350afa588117d1a80f8a47a3dddab1093 100644 (file)
--- a/world_water.h
+++ b/world_water.h
@@ -1,3 +1,7 @@
+/*
+ * Copyright (C) 2021-2022 Mt.ZERO Software, Harry Godden - All Rights Reserved
+ */
+
 #ifndef WATER_H
 #define WATER_H
 
@@ -8,67 +12,55 @@
 
 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)
+VG_STATIC void world_water_init(void)
 {
+   vg_info( "world_water_init\n" );
    shader_water_register();
-}
 
-static void world_water_init(void)
-{
-   /* TODO: probably dont do this every time */
-   wrender.enabled = 1;
+   vg_acquire_thread_sync();
+   {
+      world.water.fbreflect.format  = GL_RGB;
+      world.water.fbreflect.div     = 3;
+      world.water.fbdepth.format    = GL_RGBA;
+      world.water.fbdepth.div       = 4;
    
-   fb_init( &wrender.fbreflect );
-   fb_init( &wrender.fbdepth );
+      fb_init( &world.water.fbreflect );
+      fb_init( &world.water.fbdepth );
+
+      vg_tex2d_init( (vg_tex2d *[]){&tex_water_surf}, 1 );
+   }
+   vg_release_thread_sync();
+
+   vg_success( "done\n" );
 }
 
-static void water_fb_resize(void)
+VG_STATIC void water_fb_resize(void)
 {
-   if( !wrender.enabled )
+   if( !world.water.enabled )
       return;
    
-   fb_resize( &wrender.fbreflect );
-   fb_resize( &wrender.fbdepth );
+   fb_resize( &world.water.fbreflect );
+   fb_resize( &world.water.fbdepth );
 }
 
-static void water_set_surface( glmesh *surf, float height )
+VG_STATIC void water_set_surface( float height )
 {
-   wrender.mdl = *surf;
-   wrender.height = height;
-
-   v4_copy( (v4f){ 0.0f, 1.0f, 0.0f, height }, wrender.plane );
+   world.water.height = height;
+   v4_copy( (v4f){ 0.0f, 1.0f, 0.0f, height }, world.water.plane );
 }
 
-static void render_water_texture( m4x3f camera )
+VG_STATIC void render_water_texture( m4x3f camera )
 {
-   if( !wrender.enabled )
+   if( !world.water.enabled )
       return;
 
    /* Draw reflection buffa */
-   fb_use( &wrender.fbreflect );
+   fb_use( &world.water.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);
+   new_cam[3][1] -= 2.0f * (camera[3][1] - world.water.height);
 
    m3x3f flip;
    m3x3_identity( flip );
@@ -87,14 +79,14 @@ static void render_water_texture( m4x3f camera )
    m4x3_invert_affine( new_cam, inverse );
    m4x3_expand( inverse, view );
 
-   v4f clippa = { 0.0f, 1.0f, 0.0f, wrender.height-0.1f };
+   v4f clippa = { 0.0f, 1.0f, 0.0f, world.water.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, 
+         (float)vg.window_x / (float)vg.window_y, 
          0.1f, 900.0f );
    plane_clip_projection( projection, clippa );
    m4x4_mul( projection, view, projection );
@@ -105,59 +97,59 @@ static void render_water_texture( m4x3f camera )
 
 
    /* Draw beneath texture */
-   fb_use( &wrender.fbdepth );
+   fb_use( &world.water.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 };
+   float bias = -(camera[3][1]-world.water.height)*0.1f;
+   v4f clippb = { 0.0f, -1.0f, 0.0f, -(world.water.height) + bias };
    m4x3_mulp( inverse, clippb, clippb );
    clippb[3] *= -1.0f;
 
    m4x4_projection( projection,
          gpipeline.fov,
-         (float)vg_window_x / (float)vg_window_y, 
+         (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 );
+   glViewport( 0, 0, vg.window_x, vg.window_y );
 }
 
-static void render_water_surface( m4x4f pv, m4x3f camera )
+VG_STATIC void render_water_surface( m4x4f pv, m4x3f camera )
 {
-   if( !wrender.enabled )
+   if( !world.water.enabled )
       return;
 
    /* Draw surface */
    shader_water_use();
    
-   fb_bindtex( &wrender.fbreflect, 0 );
+   fb_bindtex( &world.water.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 });
+         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 );
+   fb_bindtex( &world.water.fbdepth, 3 );
    shader_water_uTexBack( 3 );
-   shader_water_uTime( vg_time );
+   shader_water_uTime( world.time );
    shader_water_uCamera( camera[3] );
-   shader_water_uSurfaceY( wrender.height );
+   shader_water_uSurfaceY( world.water.height );
 
    shader_water_uPv( pv );
 
    m4x3f full;
    m4x3_identity( full );
-   full[3][1] = wrender.height;
+   full[3][1] = world.water.height;
 
    shader_water_uMdl( full );
 
@@ -165,8 +157,8 @@ static void render_water_surface( m4x4f pv, m4x3f camera )
    glBlendFunc(GL_SRC_ALPHA,GL_ONE_MINUS_SRC_ALPHA);
    glBlendEquation(GL_FUNC_ADD);
 
-   mesh_bind( &wrender.mdl );
-   mesh_draw( &wrender.mdl );
+   mesh_bind( &world.mesh_water );
+   mesh_draw( &world.mesh_water );
 
    glDisable(GL_BLEND);
 }