X-Git-Url: https://git.localhorst.tv/?a=blobdiff_plain;f=src%2Fapp%2FApplication.cpp;h=490e1675d8b83b25276bde6ddc219eaf59103b84;hb=HEAD;hp=b7983aa0fcc56323e9bc07629cdcf53409c249c5;hpb=e4732374394610bdd3deafd2138cbea267a670e0;p=gworm.git

diff --git a/src/app/Application.cpp b/src/app/Application.cpp
index b7983aa..490e167 100644
--- a/src/app/Application.cpp
+++ b/src/app/Application.cpp
@@ -16,6 +16,7 @@ namespace gworm {
 Application::Application(Canvas &c, World &w)
 : canvas(c)
 , world(w)
+, worldTex(canvas.CreateStaticTexture(world.Size()))
 , focus(Vector<float>(250, 250), 25)
 , cam(c.Size(), focus.Pos())
 , last(SDL_GetTicks())
@@ -158,39 +159,13 @@ void Application::RenderBackground() {
 }
 
 void Application::RenderWorld() {
-	Vector<int> begin(0, 0);
-	Vector<int> end(world.Size());
-	Vector<int> topLeft = cam.ToScreen(Vector<float>(begin));
-	Vector<int> bottomRight = cam.ToScreen(Vector<float>(end));
-	Vector<int> clip(canvas.Size());
-
-	if (begin.x > clip.x || begin.y > clip.y || end.x < 0 || end.y < 0) {
-		return;
+	if (world.ColorDirty()) {
+		worldTex.SetColors(world.GetColors());
+		world.CleanColor();
 	}
 
-	if (topLeft.x < 0) {
-		begin.x -= topLeft.x;
-		topLeft.x = 0;
-	}
-	if (topLeft.y < 0) {
-		begin.y -= topLeft.y;
-		topLeft.y = 0;
-	}
-	if (bottomRight.x > clip.x) {
-		end.x -= bottomRight.x - clip.x;
-		bottomRight.x = clip.x;
-	}
-	if (bottomRight.y > clip.y) {
-		end.y -= bottomRight.y - clip.y;
-		bottomRight.y = clip.y;
-	}
-
-	for (Vector<int> pos(begin), cur(topLeft); pos.y < end.y; ++pos.y, ++cur.y) {
-		for (pos.x = begin.x, cur.x = topLeft.x; pos.x < end.x; ++pos.x, ++cur.x) {
-			canvas.SetColor(world.ColorAt(pos));
-			canvas.Dot(cur);
-		}
-	}
+	const Vector<int> pos = cam.ToScreen(Vector<float>(0, 0));
+	canvas.Copy(worldTex, pos);
 }
 
 void Application::RenderEntities() {