X-Git-Url: http://git.localhorst.tv/?a=blobdiff_plain;f=src%2Fgraphics%2FTexture.cpp;h=97094bc5209c9ba34456ca4aeb7997f5487d8d40;hb=ce1e9a11c89c83356d797c8225369b711513a4da;hp=f4a0385897ec42da9108363f01be7e7fda32684e;hpb=cc3d698b8c1ad09d7a3f9e3f28bc84e0ac1735ea;p=l2e.git

diff --git a/src/graphics/Texture.cpp b/src/graphics/Texture.cpp
index f4a0385..97094bc 100644
--- a/src/graphics/Texture.cpp
+++ b/src/graphics/Texture.cpp
@@ -1,8 +1,13 @@
 #include "Texture.h"
 
+#include "../loader/Interpreter.h"
+#include "../loader/TypeDescription.h"
 #include "../sdl/utility.h"
 
-using geometry::Vector;
+using math::Vector;
+using loader::FieldDescription;
+using loader::Interpreter;
+using loader::TypeDescription;
 
 namespace graphics {
 
@@ -35,24 +40,58 @@ void Texture::Render(SDL_Surface *dest, const Vector<int> &from, const Vector<in
 	SDL_Rect srcRect;
 	srcRect.x = offset.X();
 	srcRect.y = offset.Y();
+	srcRect.h = size.Y();
+	srcRect.w = size.X();
 
-	for (destRect.y = from.Y(); destRect.y < to.Y(); destRect.y += size.Y()) {
+	const Vector<int> total = to - from;
+	const Vector<int> over = total % size;
+	const Vector<int> target = from + (total - over);
+
+	for (destRect.y = from.Y(); destRect.y < target.Y(); destRect.y += size.Y()) {
+		for (destRect.x = from.X(); destRect.x < target.X(); destRect.x += size.X()) {
+			SDL_BlitSurface(surface, &srcRect, dest, &destRect);
+		}
+	}
+	if (over.X() > 0) {
+		destRect.x = target.X();
+		srcRect.w = over.X();
 		srcRect.h = size.Y();
-		destRect.h = size.Y();
-		if (destRect.y + destRect.h > to.Y()) {
-			srcRect.h = to.Y() - destRect.y;
-			destRect.h = to.Y() - destRect.y;
+		for (destRect.y = from.Y(); destRect.y < target.Y(); destRect.y += size.Y()) {
+			SDL_BlitSurface(surface, &srcRect, dest, &destRect);
+		}
+	}
+	if (over.Y() > 0) {
+		destRect.y = target.Y();
+		srcRect.w = size.X();
+		srcRect.h = over.Y();
+		for (destRect.x = from.X(); destRect.x < target.X(); destRect.x += size.X()) {
+			SDL_BlitSurface(surface, &srcRect, dest, &destRect);
 		}
-		for (destRect.x = from.X(); destRect.x < to.X(); destRect.x += size.X()) {
-			srcRect.w = size.X();
-			destRect.w = size.X();
-			if (destRect.x + destRect.w > to.X()) {
-				srcRect.w = to.X() - destRect.x;
-				destRect.w = to.X() - destRect.x;
-			}
+		if (over.X() > 0) {
+			srcRect.w = over.X();
+			srcRect.h = over.Y();
+			destRect.x = target.X();
+			destRect.y = target.Y();
 			SDL_BlitSurface(surface, &srcRect, dest, &destRect);
 		}
 	}
 }
 
+
+void Texture::CreateTypeDescription() {
+	Texture t;
+
+	TypeDescription &td(TypeDescription::Create(TYPE_ID, "Texture"));
+	td.SetConstructor(&Construct);
+	td.SetSize(sizeof(Texture));
+
+	td.AddField("image", FieldDescription(((char *)&t.surface) - ((char *)&t), Interpreter::IMAGE_ID).SetReferenced().SetDescription("image containing the texture"));
+	td.AddField("size", FieldDescription(((char *)&t.size) - ((char *)&t), Interpreter::VECTOR_ID).SetDescription("offset into the image in pixels"));
+	td.AddField("offset", FieldDescription(((char *)&t.offset) - ((char *)&t), Interpreter::VECTOR_ID).SetDescription("size of the texture in pixels"));
+}
+
+void Texture::Construct(void *data) {
+	new (data) Texture;
+}
+
 }