139 lines
4.5 KiB
C++
139 lines
4.5 KiB
C++
/*
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* TileMapComponent.h
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*
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* Created on: Mar 21, 2020
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* Author: ayoungblood
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*/
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#ifndef SRC_ECS_TILEMAPCOMPONENT_H_
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#define SRC_ECS_TILEMAPCOMPONENT_H_
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#include "ECS.h"
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#include "SDL2/SDL.h"
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#include "../assetmgr/AssetManager.h"
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#include <fstream>
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#include <iostream>
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#include <string>
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#include <tuple>
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// #include <algorithm>
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// #include <iterator>
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#include "tmxparser.h"
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class TileMapComponent : public Component
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{
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public:
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// TransformComponent *transform;
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SDL_Texture* texture;
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SDL_Rect srcRect, destRect;
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// Vector2D position;
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// std::tuple <SDL_Rect,SDL_Rect> tile;
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tmxparser::TmxMap map;
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int globalScale;
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std::vector<SDL_Rect> tileSet;
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std::vector<SDL_Rect> destRects;
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// std::array destRects;
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int totalTiles;
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TileMapComponent() = default;
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~TileMapComponent()
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{
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SDL_DestroyTexture(texture);
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}
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TileMapComponent(tmxparser::TmxMap loadedMap, int gScale)
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{
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map = loadedMap;
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std::string texturePath = "assets/textures/tiles/" + loadedMap.tilesetCollection[0].name + ".png";
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Game::assets->AddTexture(map.tilesetCollection[0].name, texturePath.c_str());
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setTex(map.tilesetCollection[0].name);
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globalScale = gScale;
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totalTiles = map.tilesetCollection[0].colCount*map.tilesetCollection[0].rowCount;
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// std::cout << "Number of Tiles: " << totalTiles << std::endl;
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tileSet.resize(totalTiles);
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for (int r=0;r<map.tilesetCollection[0].rowCount;r++){
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for (int c=0;c<map.tilesetCollection[0].colCount;c++){
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srcRect.x = c*map.tilesetCollection[0].tileWidth;
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srcRect.y = r*map.tilesetCollection[0].tileHeight;
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srcRect.w = srcRect.h = map.tileWidth;
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int element = r*map.tilesetCollection[0].colCount+c;
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// std::cout << "element " << element << std::endl;
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// std::cout << "srcRect= x: " << srcRect.x << " y: " << srcRect.y << " srcRect.w & h: " << srcRect.w << std::endl;
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tileSet[element] = srcRect;
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}
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}
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destRects.resize(map.width*map.height);
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// std::cout << "Number of Tiles on Map: " << destRects.size() << std::endl;
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// for (int i=0;i<totalTiles-1;i++){
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// SDL_Rect myRect = SDL_Rect();
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// myRect.w = myRect.h = map.tileWidth * gScale;
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// myRect.x = i*map.tilesetCollection[0].tileWidth;
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// myRect.y = 0;
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// destRects.push_back(myRect);
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// }
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for (int r = 0;r<map.height-1;r++){
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// Next cycle through each column or tile in that row:
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for (int c = 0;c<map.width-1;c++){
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int elem = c+r*map.width;
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SDL_Rect thisRect = SDL_Rect();
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thisRect.x = c*map.tilesetCollection[0].tileWidth*globalScale;
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thisRect.y = r*map.tilesetCollection[0].tileWidth*globalScale;
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thisRect.w = thisRect.h = map.tileWidth * globalScale;
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// destRects.push_back(thisRect);
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destRects[elem] = thisRect;
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// std::cout << "destRects[" << elem << "].x = " << destRects[elem].x << "].y = " << destRects[elem].y << "].w = " << destRects[elem].w << std::endl;
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}
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}
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destRect.w = destRect.h = map.tileWidth * gScale;
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}
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void update() override
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{
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if (Game::gsm->currentState == GameStateManager::ST_COREGAME){
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for (int i=0;i<destRects.size()-1;i++){
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if (Game::pVel.x > 0)
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destRects[i].x = destRects[i].x - Game::pVel.x;
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if (Game::pVel.y > 0)
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destRects[i].y = destRects[i].y - Game::pVel.y;
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if (Game::pVel.x < 0)
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destRects[i].x = destRects[i].x - Game::pVel.x;
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if (Game::pVel.y < 0)
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destRects[i].y = destRects[i].y - Game::pVel.y;
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}
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}
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}
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void draw() override
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{
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//iterate through rows and columns of the map to draw the tiles
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// First cycle through rows
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for (int r = 0;r<map.height-1;r++){
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// Next cycle through each column or tile in that row:
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for (int c = 0;c<map.width-1;c++){
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int i = r*map.width+c;
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int elem = c+r*map.width;
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int tileToDraw = map.layerCollection[0].tiles[i].gid-1;
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// SDL_Rect thisRect = SDL_Rect();
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// thisRect.x = c*map.tilesetCollection[0].tileWidth*globalScale;
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// thisRect.y = r*map.tilesetCollection[0].tileWidth*globalScale;
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// thisRect.w = thisRect.h = map.tileWidth * globalScale;
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// destRects[elem] = thisRect;
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TextureManager::Draw(texture, tileSet[tileToDraw], destRects[elem], SDL_FLIP_NONE);
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// }
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}
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}
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}
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void setTex(std::string id)
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{
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texture = Game::assets->GetTexture(id);
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}
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};
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#endif /* SRC_ECS_TILEMAPCOMPONENT_H_ */
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