load in preview images to dynamic rt textures

[carveJwlIkooP6JGAAIwe30JlM.git] / ent_skateshop.c

diff --git a/ent_skateshop.c b/ent_skateshop.c
index 962edf4b28f092a6562bb087f23f2569fcc6c6cb..c10352d5ff0a53f33cfd4fea3161b1f15c4e032c 100644 (file)
--- a/ent_skateshop.c
+++ b/ent_skateshop.c
@@ -44,6 +44,76 @@ static void skateshop_update_viewpage(void){
    }
 }
 
+struct async_preview_load_thread_data{
+   void *data;
+   addon_reg *reg;
+};
+
+static void skateshop_async_preview_imageload( void *data, u32 len ){
+   struct async_preview_load_thread_data *inf = data;
+
+   if( inf->data ){
+      glBindTexture( GL_TEXTURE_2D, global_skateshop.tex_preview );
+      glTexSubImage2D( GL_TEXTURE_2D, 0,0,0,
+                        WORKSHOP_PREVIEW_WIDTH, WORKSHOP_PREVIEW_HEIGHT, 
+                        GL_RGB, GL_UNSIGNED_BYTE, inf->data );
+      glGenerateMipmap( GL_TEXTURE_2D );
+      stbi_image_free( inf->data );
+
+      skaterift.rt_textures[k_skaterift_rt_workshop_preview] =
+         global_skateshop.tex_preview;
+   }
+   else {
+      skaterift.rt_textures[k_skaterift_rt_workshop_preview] =
+         global_skateshop.tex_preview_err;
+   }
+
+   SDL_AtomicLock( &addon_system.sl_cache_using_resources );
+   global_skateshop.reg_loaded_preview = inf->reg;
+   SDL_AtomicUnlock( &addon_system.sl_cache_using_resources );
+}
+
+static void skateshop_update_preview_image_thread(void *_args){
+   char path_buf[4096];
+   vg_str folder;
+   vg_strnull( &folder, path_buf, sizeof(path_buf) );
+
+   SDL_AtomicLock( &addon_system.sl_cache_using_resources );
+   addon_reg *reg_preview = global_skateshop.reg_preview;
+   SDL_AtomicUnlock( &addon_system.sl_cache_using_resources );
+
+   if( !addon_get_content_folder( reg_preview, &folder, 1 ) ){
+      SDL_AtomicLock( &addon_system.sl_cache_using_resources );
+      global_skateshop.reg_loaded_preview = reg_preview;
+      SDL_AtomicUnlock( &addon_system.sl_cache_using_resources );
+      return;
+   }
+
+   vg_strcat( &folder, "/preview.jpg" );
+   vg_async_item *call = 
+      vg_async_alloc( sizeof(struct async_preview_load_thread_data) );
+   struct async_preview_load_thread_data *inf = call->payload;
+
+   inf->reg = reg_preview;
+
+   if( vg_strgood( &folder ) ){
+      stbi_set_flip_vertically_on_load(1);
+      int x, y, nc;
+      inf->data = stbi_load( folder.buffer, &x, &y, &nc, 3 );
+
+      if( inf->data ){
+         if( (x != WORKSHOP_PREVIEW_WIDTH) || (y != WORKSHOP_PREVIEW_HEIGHT) ){
+            vg_error( "Resolution does not match framebuffer, so we can't"
+                      " show it\n" );
+            stbi_image_free( inf->data );
+            inf->data = NULL;
+         }
+      }
+
+      vg_async_dispatch( call, skateshop_async_preview_imageload );
+   }
+}
+
 /*
  * op/subroutine: k_workshop_op_item_load
  * -----------------------------------------------------------------------------
@@ -84,6 +154,12 @@ static void skateshop_autostart_loading(void){
    if( !vg_loader_availible() ) return;
 
    SDL_AtomicLock( &addon_system.sl_cache_using_resources );
+   if( global_skateshop.reg_preview != global_skateshop.reg_loaded_preview ){
+      SDL_AtomicUnlock( &addon_system.sl_cache_using_resources );
+      vg_loader_start( skateshop_update_preview_image_thread, NULL );
+      return;
+   }
+
    for( u32 type=0; type<k_addon_type_max; type++ ){
       struct addon_cache *cache = &addon_system.cache[type];
 
@@ -91,14 +167,12 @@ static void skateshop_autostart_loading(void){
          addon_cache_entry *entry = vg_pool_item( &cache->pool, id );
          if( entry->state == k_addon_cache_state_load_request ){
             SDL_AtomicUnlock( &addon_system.sl_cache_using_resources );
-            goto launch;
+            vg_loader_start( board_processview_thread, NULL );
+            return;
          }
       }
    }
    SDL_AtomicUnlock( &addon_system.sl_cache_using_resources );
-   return;
-launch:
-   vg_loader_start( board_processview_thread, NULL );
 }
 
 /*
@@ -106,10 +180,30 @@ launch:
  * -----------------------------------------------------------------------------
  */
 
+static void skateshop_init_async(void *_data,u32 size){
+       glGenTextures( 1, &global_skateshop.tex_preview );
+       glBindTexture( GL_TEXTURE_2D, global_skateshop.tex_preview );
+   glTexImage2D( GL_TEXTURE_2D, 0, GL_RGB, 
+                  WORKSHOP_PREVIEW_WIDTH, WORKSHOP_PREVIEW_HEIGHT,
+                  0, GL_RGB, GL_UNSIGNED_BYTE, NULL );
+
+   glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, 
+                    GL_LINEAR_MIPMAP_LINEAR );
+   glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR );
+   glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE );
+   glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE );
+}
+
 /*
  * VG event init
  */
 static void skateshop_init(void){
+   vg_async_call( skateshop_init_async, NULL, 0 );
+   vg_tex2d_replace_with_error( &global_skateshop.tex_preview_err );
+   vg_async_stall();
+
+   skaterift.rt_textures[ k_skaterift_rt_workshop_preview ] =
+      global_skateshop.tex_preview_err;
 }
 
 static u16 skateshop_selected_cache_id(void){
@@ -264,8 +358,9 @@ static void ent_skateshop_preupdate( ent_skateshop *shop, int active ){
       global_skateshop.helper_browse->greyed = !browseable;
       global_skateshop.helper_pick->greyed = !loadable;
       
-      int change = 0;
+      addon_reg *selected_world = NULL;
 
+      int change = 0;
       if( browseable ){
          if( button_down( k_srbind_mleft ) ){
             if( global_skateshop.selected_world_id > 0 ){
@@ -280,14 +375,20 @@ static void ent_skateshop_preupdate( ent_skateshop *shop, int active ){
                change = 1;
             }
          }
+
+         selected_world = get_addon_from_index( k_addon_type_world, 
+                     global_skateshop.selected_world_id, ADDON_REG_HIDDEN );
+
+         if( change || (global_skateshop.reg_preview == NULL) ){
+            SDL_AtomicLock( &addon_system.sl_cache_using_resources );
+            global_skateshop.reg_preview = selected_world;
+            SDL_AtomicUnlock( &addon_system.sl_cache_using_resources );
+         }
       }
 
       if( loadable ){
          if( button_down( k_srbind_maccept ) ){
-            skaterift_change_world_start( 
-                  get_addon_from_index( k_addon_type_world, 
-                                         global_skateshop.selected_world_id,
-                                         ADDON_REG_HIDDEN ));
+            skaterift_change_world_start( selected_world );
          }
       }
    }