Fix a few unused variable notices

examples/benchmark/main.lua

@@ -24,6 +24,7 @@ function lutro.draw()
 end
 
 function lutro.update(dt)
+	local width, height = spriteImg:getDimensions()
 	for index,value in ipairs(sprites) do
 		local tempSpriteId = value[1]
 		local tempSpritePosX = value[2]
@@ -42,13 +43,13 @@ function lutro.update(dt)
 			tempSpriteSpeedY = tempSpriteSpeedY * -1
 			tempSpritePosY = 0
 		end
-		if tempSpritePosX > lutro.graphics.getWidth() then
+		if tempSpritePosX > lutro.graphics.getWidth() - width then
 			tempSpriteSpeedX = tempSpriteSpeedX * -1
-			tempSpritePosX = lutro.graphics.getWidth()
+			tempSpritePosX = lutro.graphics.getWidth() - width
 		end
-		if tempSpritePosY > lutro.graphics.getHeight() then
+		if tempSpritePosY > lutro.graphics.getHeight() - height then
 			tempSpriteSpeedY = tempSpriteSpeedY * -1
-			tempSpritePosY = lutro.graphics.getHeight()
+			tempSpritePosY = lutro.graphics.getHeight() - height
 		end
 
 		local sprite = {tempSpriteId, tempSpritePosX, tempSpritePosY, tempSpriteSpeedX, tempSpriteSpeedY }

graphics.c

@@ -915,8 +915,9 @@ static int gfx_draw(lua_State *L)
    float sy = OPTNUMBER(L, start + 5, sx);
    int ox = OPTNUMBER(L, start + 6, 0);
    int oy = OPTNUMBER(L, start + 7, 0);
-   int kx = OPTNUMBER(L, start + 8, 0);
-   int ky = OPTNUMBER(L, start + 9, 0);
+   // TODO: Make use of the kx ky shearing numbers in lutro.graphics.draw()
+   // int kx = OPTNUMBER(L, start + 8, 0);
+   // int ky = OPTNUMBER(L, start + 9, 0);
 
    rect_t drect = {
       x + ox,

image.c

@@ -46,12 +46,13 @@ void *image_data_create(lua_State *L, bitmap_t* self)
    if (luaL_newmetatable(L, "ImageData") != 0)
    {
       static luaL_Reg imgdata_funcs[] = {
-         { "getWidth",   l_getWidth },
-         { "getHeight",  l_getHeight },
-         { "getPixel",   l_getPixel },
-         { "setPixel",   l_setPixel },
-         { "type",       l_type },
-         { "__gc",       l_gc },
+         { "getWidth",      l_getWidth },
+         { "getHeight",     l_getHeight },
+         { "getPixel",      l_getPixel },
+         { "setPixel",      l_setPixel },
+         { "getDimensions", l_getDimensions },
+         { "type",          l_type },
+         { "__gc",          l_gc },
          {NULL, NULL}
       };
 

lutro_window.c

@@ -279,7 +279,8 @@ int win_showMessageBox(lua_State *L)
    if (n > 5)
       return luaL_error(L, "lutro.window.win_showMessageBox expects at most 5 arguments, %d given.", n);
 
-   const char* title = luaL_checkstring(L, 1);
+   // TODO: lutro.window.showMessageBox() - Prepend the title to the message... "title: message"
+   // const char* title = luaL_checkstring(L, 1);
    const char* message = luaL_checkstring(L, 2);
    struct retro_message msg = { message, 600 };