diff options
Diffstat (limited to 'src/textures.c')
| -rw-r--r-- | src/textures.c | 391 |
1 files changed, 251 insertions, 140 deletions
diff --git a/src/textures.c b/src/textures.c index afc20c4..f75a6f2 100644 --- a/src/textures.c +++ b/src/textures.c @@ -132,7 +132,7 @@ Texture2D* texturesGetSourceTexture( size_t index ) { } /* -## Textures - Load +## Textures - Image Loading */ /* @@ -283,144 +283,6 @@ int ltexturesExportImageAsCode( lua_State *L ) { } /* -> texture = RL_LoadTexture( string fileName ) - -Load texture from file into GPU memory ( VRAM ) - -- Failure return -1 -- Success return int -*/ -int ltexturesLoadTexture( lua_State *L ) { - if ( !lua_isstring( L, -1 ) ) { - TraceLog( LOG_WARNING, "%s", "Bad call of function. RL_LoadTexture( string fileName )" ); - lua_pushinteger( L, -1 ); - return 1; - } - - if ( FileExists( lua_tostring( L, -1 ) ) ) { - int i = newTexture(); - *state->textures[i] = LoadTexture( lua_tostring( L, -1 ) ); - lua_pushinteger( L, i ); - return 1; - } - else { - lua_pushinteger( L, -1 ); - return 1; - } -} - -/* -> texture = RL_LoadTextureFromImage( Image image ) - -Load texture from image data - -- Failure return -1 -- Success return int -*/ -int ltexturesLoadTextureFromImage( lua_State *L ) { - if ( !lua_isnumber( L, -1 ) ) { - TraceLog( LOG_WARNING, "%s", "Bad call of function. RL_LoadTextureFromImage( Image image )" ); - lua_pushinteger( L, -1 ); - return 1; - } - size_t imageId = lua_tointeger( L, -1 ); - - if ( !validImage( imageId ) ) { - lua_pushboolean( L, false ); - return 1; - } - int i = newTexture(); - *state->textures[i] = LoadTextureFromImage( *state->images[ imageId ] ); - lua_pushinteger( L, i ); - - return 1; -} - -/* -> success = RL_UnloadTexture( Texture2D texture ) - -Unload texture from GPU memory ( VRAM ) - -- Failure return false -- Success return true -*/ -int ltexturesUnloadTexture( lua_State *L ) { - if ( !lua_isnumber( L, -1 ) ) { - TraceLog( LOG_WARNING, "%s", "Bad call of function. RL_UnloadTexture( Texture2D texture )" ); - lua_pushboolean( L, false ); - return 1; - } - size_t id = lua_tointeger( L, -1 ); - - if ( !validTexture( id ) ) { - lua_pushboolean( L, false ); - return 1; - } - UnloadTexture( *state->textures[ id ] ); - state->textures[ id ] = NULL; - lua_pushboolean( L, true ); - - return 1; -} - -/* -> renderTexture = RL_LoadRenderTexture( Vector2 size ) - -Load texture for rendering ( framebuffer ) - -- Failure return -1 -- Success return int -*/ -int ltexturesLoadRenderTexture( lua_State *L ) { - if ( !lua_istable( L, -1 ) ) { - TraceLog( LOG_WARNING, "%s", "Bad call of function. RL_LoadRenderTexture( Vector2 size )" ); - lua_pushinteger( L, -1 ); - return 1; - } - Vector2 size = uluaGetVector2( L ); - int i = 0; - - for ( i = 0; i < state->renderTextureCount; i++ ) { - if ( state->renderTextures[i] == NULL ) { - break; - } - } - state->renderTextures[i] = malloc( sizeof( RenderTexture2D ) ); - *state->renderTextures[i] = LoadRenderTexture( (int)size.x, (int)size.y ); - lua_pushinteger( L, i ); - checkRenderTextureRealloc( i ); - - return 1; -} - -/* -> success = RL_UnloadRenderTexture( RenderTexture2D target ) - -Unload render texture from GPU memory ( VRAM ) - -- Failure return false -- Success return true -*/ -int ltexturesUnloadRenderTexture( lua_State *L ) { - if ( !lua_isnumber( L, -1 ) ) { - TraceLog( LOG_WARNING, "%s", "Bad call of function. RL_UnloadRenderTexture( RenderTexture2D target )" ); - lua_pushboolean( L, false ); - return 1; - } - size_t id = lua_tointeger( L, -1 ); - - if ( !validRenderTexture( id ) ) { - lua_pushboolean( L, false ); - return 1; - } - UnloadRenderTexture( *state->renderTextures[ id ] ); - state->renderTextures[ id ] = NULL; - lua_pushboolean( L, true ); - - return 1; -} - -/* ## Textures - Image Generation */ @@ -1789,6 +1651,256 @@ int ltexturesGetImageFormat( lua_State *L ) { } /* +## Textures - Texture Loading +*/ + +/* +> texture = RL_LoadTexture( string fileName ) + +Load texture from file into GPU memory ( VRAM ) + +- Failure return -1 +- Success return int +*/ +int ltexturesLoadTexture( lua_State *L ) { + if ( !lua_isstring( L, -1 ) ) { + TraceLog( LOG_WARNING, "%s", "Bad call of function. RL_LoadTexture( string fileName )" ); + lua_pushinteger( L, -1 ); + return 1; + } + + if ( FileExists( lua_tostring( L, -1 ) ) ) { + int i = newTexture(); + *state->textures[i] = LoadTexture( lua_tostring( L, -1 ) ); + lua_pushinteger( L, i ); + return 1; + } + else { + lua_pushinteger( L, -1 ); + return 1; + } +} + +/* +> texture = RL_LoadTextureFromImage( Image image ) + +Load texture from image data + +- Failure return -1 +- Success return int +*/ +int ltexturesLoadTextureFromImage( lua_State *L ) { + if ( !lua_isnumber( L, -1 ) ) { + TraceLog( LOG_WARNING, "%s", "Bad call of function. RL_LoadTextureFromImage( Image image )" ); + lua_pushinteger( L, -1 ); + return 1; + } + size_t imageId = lua_tointeger( L, -1 ); + + if ( !validImage( imageId ) ) { + lua_pushboolean( L, false ); + return 1; + } + int i = newTexture(); + *state->textures[i] = LoadTextureFromImage( *state->images[ imageId ] ); + lua_pushinteger( L, i ); + + return 1; +} + +/* +> success = RL_UnloadTexture( Texture2D texture ) + +Unload texture from GPU memory ( VRAM ) + +- Failure return false +- Success return true +*/ +int ltexturesUnloadTexture( lua_State *L ) { + if ( !lua_isnumber( L, -1 ) ) { + TraceLog( LOG_WARNING, "%s", "Bad call of function. RL_UnloadTexture( Texture2D texture )" ); + lua_pushboolean( L, false ); + return 1; + } + size_t id = lua_tointeger( L, -1 ); + + if ( !validTexture( id ) ) { + lua_pushboolean( L, false ); + return 1; + } + UnloadTexture( *state->textures[ id ] ); + state->textures[ id ] = NULL; + lua_pushboolean( L, true ); + + return 1; +} + +/* +> renderTexture = RL_LoadRenderTexture( Vector2 size ) + +Load texture for rendering ( framebuffer ) + +- Failure return -1 +- Success return int +*/ +int ltexturesLoadRenderTexture( lua_State *L ) { + if ( !lua_istable( L, -1 ) ) { + TraceLog( LOG_WARNING, "%s", "Bad call of function. RL_LoadRenderTexture( Vector2 size )" ); + lua_pushinteger( L, -1 ); + return 1; + } + Vector2 size = uluaGetVector2( L ); + int i = 0; + + for ( i = 0; i < state->renderTextureCount; i++ ) { + if ( state->renderTextures[i] == NULL ) { + break; + } + } + state->renderTextures[i] = malloc( sizeof( RenderTexture2D ) ); + *state->renderTextures[i] = LoadRenderTexture( (int)size.x, (int)size.y ); + lua_pushinteger( L, i ); + checkRenderTextureRealloc( i ); + + return 1; +} + +/* +> success = RL_UnloadRenderTexture( RenderTexture2D target ) + +Unload render texture from GPU memory ( VRAM ) + +- Failure return false +- Success return true +*/ +int ltexturesUnloadRenderTexture( lua_State *L ) { + if ( !lua_isnumber( L, -1 ) ) { + TraceLog( LOG_WARNING, "%s", "Bad call of function. RL_UnloadRenderTexture( RenderTexture2D target )" ); + lua_pushboolean( L, false ); + return 1; + } + size_t id = lua_tointeger( L, -1 ); + + if ( !validRenderTexture( id ) ) { + lua_pushboolean( L, false ); + return 1; + } + UnloadRenderTexture( *state->renderTextures[ id ] ); + state->renderTextures[ id ] = NULL; + lua_pushboolean( L, true ); + + return 1; +} + +/* +> success = RL_UpdateTexture( Texture2D texture, int pixels{ {} } ) + +Update GPU texture with new data +NOTE! Should be TEXTURE_SOURCE_TEXTURE. Pixel should be in format { { 255, 255, 255, 255 }... } depending on the pixel format + +- Failure return false +- Success return true +*/ +int ltexturesUpdateTexture( lua_State *L ) { + if ( !lua_isnumber( L, -2 ) || !lua_istable( L, -1 ) ) { + TraceLog( LOG_WARNING, "%s", "Bad call of function. RL_UpdateTexture( Texture2D texture, int pixels{ {} } )" ); + lua_pushboolean( L, false ); + return 1; + } + size_t texId = lua_tointeger( L, -2 ); + + if ( !validTexture( texId ) ) { + lua_pushboolean( L, false ); + return 1; + } + size_t len = uluaGetTableLen( L ); + unsigned char *pixels = malloc( len * 4 * sizeof( unsigned char ) ); + + int t = lua_gettop( L ); + int i = 0; + lua_pushnil( L ); + + while ( lua_next( L, t ) != 0 ) { + size_t colLen = uluaGetTableLen( L ); + + int t2 = lua_gettop( L ); + int j = 0; + lua_pushnil( L ); + + while ( lua_next( L, t2 ) != 0 ) { + *( pixels + ( i * colLen ) + j ) = lua_tointeger( L, -1 ); + + j++; + lua_pop( L, 1 ); + } + i++; + lua_pop( L, 1 ); + } + UpdateTexture( *state->textures[ texId ], pixels ); + lua_pushboolean( L, true ); + + free( pixels ); + + return 1; +} + +/* +> success = RL_UpdateTextureRec( Texture2D texture, Rectangle rec, int pixels{ {} } ) + +Update GPU texture rectangle with new data +NOTE! Should be TEXTURE_SOURCE_TEXTURE. Pixel should be in format { { 255, 255, 255, 255 }... } depending on the pixel format + +- Failure return false +- Success return true +*/ +int ltexturesUpdateTextureRec( lua_State *L ) { + if ( !lua_isnumber( L, -3 ) || !lua_istable( L, -2 ) || !lua_istable( L, -1 ) ) { + TraceLog( LOG_WARNING, "%s", "Bad call of function. RL_UpdateTextureRec( Texture2D texture, Rectangle rec, int pixels{ {} } )" ); + lua_pushboolean( L, false ); + return 1; + } + size_t texId = lua_tointeger( L, -3 ); + + if ( !validTexture( texId ) ) { + lua_pushboolean( L, false ); + return 1; + } + size_t len = uluaGetTableLen( L ); + unsigned char *pixels = malloc( len * 4 * sizeof( unsigned char ) ); + + int t = lua_gettop( L ); + int i = 0; + lua_pushnil( L ); + + while ( lua_next( L, t ) != 0 ) { + size_t colLen = uluaGetTableLen( L ); + + int t2 = lua_gettop( L ); + int j = 0; + lua_pushnil( L ); + + while ( lua_next( L, t2 ) != 0 ) { + *( pixels + ( i * colLen ) + j ) = lua_tointeger( L, -1 ); + + j++; + lua_pop( L, 1 ); + } + i++; + lua_pop( L, 1 ); + } + lua_pop( L, 1 ); /* Pixels arg. */ + + Rectangle rec = uluaGetRectangle( L ); + + UpdateTextureRec( *state->textures[ texId ], rec, pixels ); + lua_pushboolean( L, true ); + + free( pixels ); + + return 1; +} + +/* ## Textures - Texture Drawing */ @@ -2490,7 +2602,6 @@ int ltexturesGetPixelColor( lua_State *L ) { lua_pop( L, 1 ); size_t texId = lua_tointeger( L, -2 ); - // if ( !validTexture( texId ) ) { if ( !validSourceTexture( texId ) ) { lua_pushboolean( L, false ); return 1; |