Scrolling tile view

Co-authored-by: sigonasr2 <sigonasr2@gmail.com>

assets/maps/map0

@@ -1,3 +1,4 @@
+0000R00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
 0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
 0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
 0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
@@ -60,7 +61,4 @@
 0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
 0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
 0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
-0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
+0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
-0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
-OBJECT17;30;0
-OBJECT7;4;0

main.cpp

@@ -7,13 +7,19 @@
 #include "tiles.h"
 #include "references.h"
 
+#define WIDTH 256
+#define HEIGHT 224
+#define CAMERA_MOVESPD 0.5
+
 using namespace olc;
 
 class Map{
 	public:
 		std::string filename;
-		Map(std::string fname) {
+		Decal*tileset;
+		Map(std::string fname,Decal*tileset) {
 			this->filename=fname;
+			this->tileset=tileset;
 		}
 };
 
@@ -32,12 +38,12 @@ class Animation{
 class Object{
 	public:
 		Animation*spr;
-		vi2d pos;
+		vd2d pos;
 		int frameIndex=0;
 		int frameCount=0;
 		int animationSpd=12; //How many frames to wait between each frame.
 		std::string name;
-		vi2d scale={1,1};
+		vd2d scale={1,1};
 		Pixel color=WHITE;
 		//animationSpd is how long to wait before switching frames.
 		Object(std::string name,vi2d pos,Animation*spr,vi2d scale={1,1},Pixel color=WHITE,int animationSpd=1) {
@@ -67,6 +73,9 @@ public:
 	int MAP_HEIGHT;
 	Map*CURRENT_MAP;
 	Map*MAP_ONETT;
+	vd2d cameraPos = {0,0};
+
+	bool MOUSE_PRESSED_DOWN=false,MOUSE_DOWN=false,MOUSE_RELEASED=false; //TODO Implement Mouse things.
 
 	std::vector<std::vector<TILE*>> MAP;
 	std::map<Reference,Decal*> SPRITES;
@@ -80,11 +89,11 @@ public:
 		ConsoleCaptureStdOut(true);
 		// Called once at the start, so create things here
 
-		MAP_ONETT=new Map("map0");
-
 		SetupAnimations();
 		SetupObjectInfo();
 
+		MAP_ONETT=new Map("map0",SPRITES[TILESET1]);
+
 		//OBJ_INFO["PLAYER"]=PLAYER_ANIMATION;
 
 		LoadMap(MAP_ONETT);
@@ -111,11 +120,34 @@ public:
 				obj->frameIndex++;
 			}
 		}
-	};
+
+		if (UpHeld()) {
+			cameraPos.y-=CAMERA_MOVESPD;
+		}
+		if (RightHeld()) {
+			cameraPos.x+=CAMERA_MOVESPD;
+		}
+		if (LeftHeld()) {
+			cameraPos.x-=CAMERA_MOVESPD;
+		}
+		if (DownHeld()) {
+			cameraPos.y+=CAMERA_MOVESPD;
+		}
+	}
+
 	void drawGame(){
 		for (auto&obj:OBJECTS) {
 			DrawPartialDecal(obj->pos,obj->spr->spr,{(obj->frameIndex%obj->spr->frames)*obj->spr->width,0},{obj->spr->width,obj->spr->spr->sprite->height},obj->scale,obj->color);
 		}
+		for (int y=-1;y<HEIGHT/32+2;y++) {
+			for (int x=-1;x<WIDTH/32+2;x++) {
+				int yTileOffset = cameraPos.y/32;
+				int xTileOffset = cameraPos.x/32;
+				if (x+xTileOffset>=0&&x+xTileOffset<MAP_WIDTH&&y+yTileOffset>=0&&y+yTileOffset<MAP_HEIGHT) {
+					DrawPartialDecal({x*32-fmod(cameraPos.x,32),y*32-fmod(cameraPos.y,32)},SPRITES[TILESET1],{MAP[y+yTileOffset][x+xTileOffset]->tileX*32,MAP[y+yTileOffset][x+xTileOffset]->tileY*32},{32,32});
+				}
+			}
+		}
 	};
 
 	void LoadMap(Map*map) {
@@ -159,27 +191,79 @@ public:
 				OBJECTS.push_back(newObj);
 				//printf("Object: %s %s %s\n",split1.c_str(),split2.c_str(),split3.c_str());
 			} else {
+				std::vector<TILE*> tiles;
+				for (int i=0;i<data.length();i++) {
+					unsigned char tileX,tileY;
+					tileX=data[i]&0x0F;
+					tileY=(data[i]&0xF0)>>4;
+					tiles.push_back(new TILE(tileX,tileY));
+				}
+				MAP.push_back(tiles);
 				MAP_HEIGHT++;
 			}
 		}
 		printf("Loaded map %s.\n",map->filename.c_str());
 	}
 
+	Decal*CreateSprite(std::string spriteName) {
+		return new Decal(new Sprite("assets/"+spriteName));
+	}
+
 	void SetupAnimations() {
-		SPRITES[PLAYER] = new Decal(new Sprite("assets/player.png"));
+		SPRITES[PLAYER] = CreateSprite("player.png");
 		ANIMATIONS[PLAYER] = new Animation(SPRITES[PLAYER],32);
+		SPRITES[TILESET1] = CreateSprite("terrainmap.png");
 	}
 
 	void SetupObjectInfo() {
 		OBJ_INFO[PLAYER]=new Object("player",{0,0},ANIMATIONS[PLAYER]);
 	}
+
+
+
+	bool UpPressed(){
+		return GetKey(W).bPressed||GetKey(UP).bPressed||GetKey(NP8).bPressed||MOUSE_PRESSED_DOWN&&GetMouseY()<=HEIGHT-128+32&&GetMouseY()>=HEIGHT-128&&GetMouseX()<=HEIGHT-128;
+	}
+	bool DownPressed(){
+		return GetKey(S).bPressed||GetKey(DOWN).bPressed||GetKey(NP5).bPressed||GetKey(NP2).bPressed||MOUSE_PRESSED_DOWN&&GetMouseY()<=HEIGHT&&GetMouseY()>=HEIGHT-32&&GetMouseX()<=HEIGHT-128;
+	}
+	bool LeftPressed(){
+		return GetKey(A).bPressed||GetKey(LEFT).bPressed||GetKey(NP4).bPressed||MOUSE_PRESSED_DOWN&&GetMouseX()<=32&&GetMouseX()>=0&&GetMouseY()>=HEIGHT-128;
+	}
+	bool RightPressed(){
+		return GetKey(D).bPressed||GetKey(RIGHT).bPressed||GetKey(NP6).bPressed||MOUSE_PRESSED_DOWN&&GetMouseX()<=128&&GetMouseX()>=96&&GetMouseY()>=HEIGHT-128;
+	}
+	bool UpHeld(){
+		return GetKey(W).bHeld||GetKey(UP).bHeld||GetKey(NP8).bHeld||MOUSE_DOWN&&GetMouseY()<=HEIGHT-128+32&&GetMouseY()>=HEIGHT-128&&GetMouseX()<=HEIGHT-128;
+	}
+	bool DownHeld(){
+		return GetKey(S).bHeld||GetKey(DOWN).bHeld||GetKey(NP5).bHeld||GetKey(NP2).bHeld||MOUSE_DOWN&&GetMouseY()<=HEIGHT&&GetMouseY()>=HEIGHT-32&&GetMouseX()<=HEIGHT-128;
+	}
+	bool LeftHeld(){
+		return GetKey(A).bHeld||GetKey(LEFT).bHeld||GetKey(NP4).bHeld||MOUSE_DOWN&&GetMouseX()<=32&&GetMouseX()>=0&&GetMouseY()>=HEIGHT-128;
+	}
+	bool RightHeld(){
+		return GetKey(D).bHeld||GetKey(RIGHT).bHeld||GetKey(NP6).bHeld||MOUSE_DOWN&&GetMouseX()<=128&&GetMouseX()>=96&&GetMouseY()>=HEIGHT-128;
+	}
+	bool UpReleased(){
+		return GetKey(W).bReleased||GetKey(UP).bReleased||GetKey(NP8).bReleased||MOUSE_RELEASED&&GetMouseY()<=HEIGHT-128+32&&GetMouseY()>=HEIGHT-128&&GetMouseX()<=HEIGHT-128;
+	}
+	bool DownReleased(){
+		return GetKey(S).bReleased||GetKey(DOWN).bReleased||GetKey(NP5).bReleased||GetKey(NP2).bReleased||MOUSE_RELEASED&&GetMouseY()<=HEIGHT&&GetMouseY()>=HEIGHT-32&&GetMouseX()<=HEIGHT-128;
+	}
+	bool LeftReleased(){
+		return GetKey(A).bReleased||GetKey(LEFT).bReleased||GetKey(NP4).bReleased||MOUSE_RELEASED&&GetMouseX()<=32&&GetMouseX()>=0&&GetMouseY()>=HEIGHT-128;
+	}
+	bool RightReleased(){
+		return GetKey(D).bReleased||GetKey(RIGHT).bReleased||GetKey(NP6).bReleased||MOUSE_RELEASED&&GetMouseX()<=128&&GetMouseX()>=96&&GetMouseY()>=HEIGHT-128;
+	}
 };
 
 
 int main()
 {
 	SeasonI demo;
-	if (demo.Construct(256, 224, 4, 4))
+	if (demo.Construct(WIDTH, HEIGHT, 4, 4))
 		demo.Start();
 
 	return 0;

references.h

@@ -1,3 +1,4 @@
 enum Reference{
     PLAYER,
+    TILESET1,
 };