Added new big overlay system.

code/redalert/bigoverlay.h

@@ -0,0 +1,74 @@
+// bigoverlay.h
+//
+
+#include <vector>
+
+#define MAX_WORLD_BIGOVERLAYS			2300 // This is just a random number, increase as you want.
+
+struct Image_t;
+
+//
+// BigOverlayType_t
+//
+struct BigOverlayType_t {
+	Image_t* image;
+};
+
+
+class BigOverlay {
+friend class BigOverlayManager;
+public:
+	BigOverlay();
+	int GetIndex(void) { return index; }
+	void SetImage(int index, Image_t* image) { this->index = index; this->image = image; }
+	void Place(int screenx, int screeny);
+	bool GetRenderPosition(int& x, int& y);
+	void draw_it(void);
+	Image_t* GetImage(void) { return image; }
+	void SetEnabled(bool enabled) { this->enabled = enabled; }
+	COORDINATE GetPosition() { return position; }
+protected:
+	void SetPosition(COORDINATE position) { this->position = position; }
+	void SetOverlayNum(int overlayNum) { this->overlayNum = overlayNum; }
+	bool IsEnabled(void) { return enabled; }	
+private:
+	int overlayNum;
+	COORDINATE position;
+	Image_t* image;
+	bool enabled;
+	int index;
+};
+
+class BigOverlayManager {
+public:
+	BigOverlayManager();
+
+	// Init's all the big overlay types.
+	void Init(void);
+
+	// Resets all big overlays.
+	void Reset(void);
+
+	// Render's all the active big overlays.
+	void Render(void);
+
+	void Read_Scenerio(CCINIClass* ini);
+	void Write_Scenerio(CCINIClass* ini);
+
+	// Adjusts the tile image.
+	void AdjustTile(BigOverlay* bigOverlay, int direction);
+
+	// Allocates a big overlay
+	BigOverlay*	 AllocateBigOverlay(void);
+
+	BigOverlay *Editor_PlaceNewBigOverlay(void);
+private:	
+	void RegisterBigOverlay(int theater, const char* name);
+
+	BigOverlay bigOverlays[MAX_WORLD_BIGOVERLAYS];
+	std::vector<BigOverlayType_t> bigOverlayTypes;
+
+	int editor_selectedbigoverlay;
+};
+
+extern BigOverlayManager bigOverlayManager;