Slight refactoring

common/mapsystem/tile_sheet.cpp

@@ -23,7 +23,7 @@
 
 #include <stdexcept>
 
-SDL_Surface* TileSheet::LoadSurface(std::string fname, Uint16 w, Uint16 h) {
+void TileSheet::Load(std::string fname, Uint16 w, Uint16 h) {
 	//setup the image
 	image.LoadSurface(fname);
 	image.SetClipW(w);
@@ -39,11 +39,7 @@ SDL_Surface* TileSheet::LoadSurface(std::string fname, Uint16 w, Uint16 h) {
 	end = totalCount;
 }
 
-SDL_Surface* TileSheet::GetSurface() {
-	return image.GetSurface();
-}
-
-void TileSheet::FreeSurface() {
+void TileSheet::Unload() {
 	image.FreeSurface();
 	totalCount = xCount = yCount = 0;
 	begin = end = -1;

common/mapsystem/tile_sheet.hpp

@@ -37,9 +37,8 @@ public:
 	//these load/set functions need to be followed by bookkeeping code
 	//w & h are the width & height of individual tiles
 	//TODO: rename these
-	SDL_Surface* LoadSurface(std::string fname, Uint16 w, Uint16 h);
-	SDL_Surface* GetSurface();
-	void FreeSurface();
+	void Load(std::string fname, Uint16 w, Uint16 h);
+	void Unload();
 
 	void DrawTo(SDL_Surface* const dest, int x, int y, int tileIndex);
 
@@ -48,6 +47,9 @@ public:
 	//accessors and mutators
 	Image* GetImage() { return ℑ }
 
+	int GetTileW() const { return image.GetClipW(); }
+	int GetTileH() const { return image.GetClipH(); }
+
 	int GetTotalCount() const { return totalCount; }
 	int GetXCount() const { return xCount; }
 	int GetYCount() const { return yCount; }

common/mapsystem/tile_sheet_manager.cpp

@@ -35,10 +35,30 @@ TileSheet* TileSheetManager::LoadSheet(std::string fname, Uint16 w, Uint16 h) {
 	}
 
 	//load & setup the sheet object
-	sheetMap[key].LoadSurface(fname, w, h);
+	sheetMap[key].Load(fname, w, h);
 	sheetMap[key].SetBegin(rangeEnd);
 	rangeEnd += sheetMap[key].GetTotalCount();
 	sheetMap[key].SetEnd(rangeEnd);
+
+	//you can modify the object, say, during the save & load routines...
+	return &sheetMap[key];
+}
+
+TileSheet* TileSheetManager::GetSheet(std::string name) {
+	return &sheetMap.at(name);
+}
+
+TileSheet* TileSheetManager::GetSheetByIndex(int tileIndex) {
+	for (auto& it : sheetMap) {
+		if (it.second.InRange(tileIndex)) {
+			return &it.second;
+		}
+	}
+	return nullptr;
+}
+
+void TileSheetManager::UnloadSheet(std::string name) {
+	sheetMap.erase(name);
 }
 
 void TileSheetManager::DrawTo(SDL_Surface* const dest, int x, int y, int tileIndex) {

common/mapsystem/tile_sheet_manager.hpp

@@ -33,12 +33,9 @@ public:
 	~TileSheetManager() = default;
 
 	TileSheet* LoadSheet(std::string fname, Uint16 w, Uint16 h);
-	TileSheet* GetSheet(std::string name) {
-		return &sheetMap.at(name);
-	}
-	void UnloadSheet(std::string name) {
-		sheetMap.erase(name);
-	}
+	TileSheet* GetSheet(std::string name);
+	TileSheet* GetSheetByIndex(int tileIndex);
+	void UnloadSheet(std::string name);
 
 	void DrawTo(SDL_Surface* const, int x, int y, int tileIndex);
 

editor/editor_scene.cpp

@@ -63,7 +63,7 @@ EditorScene::EditorScene() {
 	pager.SetHeight(32*4);
 
 	sheetMgr.LoadSheet("rsc\\graphics\\tilesets\\grass.bmp", 32, 32);
-	sheetMgr.LoadSheet("rsc\\graphics\\tilesets\\longgrass.bmp", 32, 32);
+	sheetMgr.LoadSheet("rsc\\graphics\\tilesets\\longgrass.bmp", 16, 16);
 
 //	loadGameMap("rsc\\maps\\mappy", &pager, &sheetList);
 //	saveGameMap("rsc\\maps\\foo", &pager, &sheetList);
@@ -145,19 +145,20 @@ void EditorScene::MouseButtonDown(SDL_MouseButtonEvent const& button) {
 	menuBar.MouseButtonDown(button);
 
 	if (button.button == SDL_BUTTON_LEFT && button.y >= buttonImage.GetClipH()) {
-		Region* ptr = pager.GetRegion(
+		Region* regionPtr = pager.GetRegion(
 			snapToBase(pager.GetWidth(), button.x + camera.x),
 			snapToBase(pager.GetHeight(), button.y + camera.y)
 		);
 
-		//TODO: find the tileset matching this value, and then use it's width & height for param 4 & 5
-		ptr->NewTileA({
-			snapToBase(32, button.x + camera.x), //x
-			snapToBase(32, button.y + camera.y), //y
+		TileSheet* sheetPtr = sheetMgr.GetSheetByIndex(tileCounter);
+
+		regionPtr->NewTileA({
+			snapToBase(sheetPtr->GetTileW(), button.x + camera.x), //x
+			snapToBase(sheetPtr->GetTileH(), button.y + camera.y), //y
 			0, //depth
-			32, //width (from tileset)
-			32, //height (from tileset)
-			0 //value
+			sheetPtr->GetTileW(), //width
+			sheetPtr->GetTileH(), //height
+			tileCounter++ //value
 		});
 	}
 }

editor/editor_scene.hpp

@@ -71,6 +71,8 @@ protected:
 	struct {
 		int x = 0, y = 0;
 	} camera;
+
+	int tileCounter = 0;
 };
 
 #endif