678 lines
20 KiB
C++
678 lines
20 KiB
C++
#include "map.h"
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// Constructor
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Map::Map(std::string file, SDL_Renderer *renderer, Asset *asset, ItemTracker *itemTracker)
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{
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// Inicializa variables
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tile_size = 8;
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map_width = 40;
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map_height = 26;
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name = file.substr(file.find_last_of("\\/") + 1);
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enemy_file = "";
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bgColor1 = bgColor2 = {0, 0, 0};
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// Copia los punteros a objetos
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this->asset = asset;
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this->renderer = renderer;
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this->itemTracker = itemTracker;
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// Crea los objetos
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load(file);
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texture_tile = new LTexture(renderer, asset->get(tileset_img));
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tileset_width = texture_tile->getWidth() / tile_size;
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// Crea las texturas para dibujar el mapa
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map_layer0 = SDL_CreateTexture(renderer, SDL_PIXELFORMAT_RGBA8888, SDL_TEXTUREACCESS_TARGET, GAMECANVAS_WIDTH, GAMECANVAS_HEIGHT);
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if (map_layer0 == NULL)
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printf("Error: map_layer0 could not be created!\nSDL Error: %s\n", SDL_GetError());
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map_layer1 = SDL_CreateTexture(renderer, SDL_PIXELFORMAT_RGBA8888, SDL_TEXTUREACCESS_TARGET, GAMECANVAS_WIDTH, GAMECANVAS_HEIGHT);
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if (map_layer1 == NULL)
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printf("Error: map_layer1 could not be created!\nSDL Error: %s\n", SDL_GetError());
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// Pinta el mapa de la habitación en la textura
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fillMapTexture();
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}
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// Destructor
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Map::~Map()
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{
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// Reclama la memoria utilizada por los objetos
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texture_tile->unload();
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delete texture_tile;
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SDL_DestroyTexture(map_layer1);
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for (auto actor : actors)
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{
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delete actor;
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}
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actors.clear();
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}
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// Carga las variables desde un fichero
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bool Map::load(std::string file_path)
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{
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// Indicador de éxito en la carga
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bool success = true;
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std::string filename = file_path.substr(file_path.find_last_of("\\/") + 1);
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std::string line;
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std::ifstream file(file_path);
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// El fichero se puede abrir
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if (file.good())
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{
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// Procesa el fichero linea a linea
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printf("Reading file %s\n\n", filename.c_str());
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while (std::getline(file, line))
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{
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// Si la linea contiene el texto [tilemap] se realiza el proceso de carga del fichero tmx
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if (line == "[tilemap]")
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{
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do
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{
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std::getline(file, line);
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if (line.find(".tmx") != std::string::npos)
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{
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std::ifstream file2(asset->get(line)); // Abre el fichero tmx
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if (file2.good())
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{
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bool map_col_read = false;
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bool map_l0_read = false;
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bool map_l1_read = false;
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while (std::getline(file2, line)) // Lee el fichero linea a linea
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{
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if (!map_l0_read)
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{ // Lee lineas hasta que encuentre donde empiezan los datos del mapa
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int pos = 0;
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do
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{
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std::getline(file2, line);
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pos = line.find("data encoding");
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} while (pos == std::string::npos);
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do
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{ // Se introducen los valores separados por comas en un vector
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map_l0_read = true;
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std::getline(file2, line);
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if (line != "</data>")
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{
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std::stringstream ss(line);
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std::string tmp;
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while (getline(ss, tmp, ','))
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{
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tilemap_l0.push_back(std::stoi(tmp));
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}
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}
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} while (line != "</data>");
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}
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if (!map_l1_read)
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{ // Lee lineas hasta que encuentre donde empiezan los datos del mapa
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int pos = 0;
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do
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{
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std::getline(file2, line);
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pos = line.find("data encoding");
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} while (pos == std::string::npos);
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do
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{ // Se introducen los valores separados por comas en un vector
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map_l1_read = true;
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std::getline(file2, line);
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if (line != "</data>")
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{
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std::stringstream ss(line);
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std::string tmp;
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while (getline(ss, tmp, ','))
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{
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tilemap_l1.push_back(std::stoi(tmp));
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}
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}
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} while (line != "</data>");
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}
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if (!map_col_read)
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{ // Lee lineas hasta que encuentre donde empiezan los datos del mapa
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int pos = 0;
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do
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{
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std::getline(file2, line);
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pos = line.find("data encoding");
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} while (pos == std::string::npos);
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do
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{ // Se introducen los valores separados por comas en un vector
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map_col_read = true;
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std::getline(file2, line);
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if (line != "</data>")
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{
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std::stringstream ss(line);
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std::string tmp;
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while (getline(ss, tmp, ','))
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{
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collisionmap.push_back(std::stoi(tmp));
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}
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}
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} while (line != "</data>");
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}
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}
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}
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}
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} while (line != "[/tilemap]");
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}
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// Si la linea contiene el texto [actor] se realiza el proceso de carga de los actores
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else if (line == "[actors]")
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{
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do
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{
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std::getline(file, line);
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if (line == "[moving platform]")
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{
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actor_t actor;
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actor.asset = asset;
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actor.renderer = renderer;
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actor.name = a_moving_platform;
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SDL_Point p1, p2;
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do
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{
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std::getline(file, line);
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// Encuentra la posición del caracter '='
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int pos = line.find("=");
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// Procesa las dos subcadenas
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if (!setActor(&actor, &p1, &p2, line.substr(0, pos), line.substr(pos + 1, line.length())))
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{
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printf("Warning: file %s\n, unknown parameter \"%s\"\n", filename.c_str(), line.substr(0, pos).c_str());
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success = false;
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}
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} while (line != "[/moving platform]");
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printf("** actor moving platform loaded\n\n");
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actors.push_back(new ActorMovingPlatform(actor, p1, p2));
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}
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if (line == "[diamond]")
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{
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actor_t actor;
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actor.asset = asset;
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actor.renderer = renderer;
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actor.name = a_diamond;
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actor.vx = 0.0f;
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actor.vy = 0.0f;
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SDL_Point p1, p2;
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do
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{
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std::getline(file, line);
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// Encuentra la posición del caracter '='
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int pos = line.find("=");
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// Procesa las dos subcadenas
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if (!setActor(&actor, &p1, &p2, line.substr(0, pos), line.substr(pos + 1, line.length())))
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{
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printf("Warning: file %s\n, unknown parameter \"%s\"\n", filename.c_str(), line.substr(0, pos).c_str());
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success = false;
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}
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} while (line != "[/diamond]");
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// Comprueba si el actor no ha sido recogido previamente
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if (!itemTracker->hasBeenPicked(name, {(int)actor.x, (int)actor.y}))
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{
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printf("** actor diamond loaded\n\n");
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actors.push_back(new ActorDiamond(actor));
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}
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}
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} while (line != "[/actors]");
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}
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// En caso contrario se parsea el fichero para buscar las variables y los valores
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else
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{
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// Encuentra la posición del caracter '='
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int pos = line.find("=");
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// Procesa las dos subcadenas
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if (!setVars(line.substr(0, pos), line.substr(pos + 1, line.length())))
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{
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printf("Warning: file %s, unknown parameter \"%s\"\n", filename.c_str(), line.substr(0, pos).c_str());
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success = false;
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}
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}
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}
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// Cierra el fichero
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printf("Closing file %s\n\n", filename.c_str());
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file.close();
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}
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// El fichero no se puede abrir
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else
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{
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printf("Warning: Unable to open %s file\n", filename.c_str());
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success = false;
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}
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return success;
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}
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// Asigna variables a partir de dos cadenas
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bool Map::setVars(std::string var, std::string value)
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{
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// Indicador de éxito en la asignación
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bool success = true;
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if (var == "tileset_img")
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{
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tileset_img = value;
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}
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else if (var == "bgColor1")
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{
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// Se introducen los valores separados por comas en un vector
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std::stringstream ss(value);
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std::string tmp;
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getline(ss, tmp, ',');
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bgColor1.r = std::stoi(tmp);
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getline(ss, tmp, ',');
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bgColor1.g = std::stoi(tmp);
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getline(ss, tmp, ',');
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bgColor1.b = std::stoi(tmp);
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}
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else if (var == "bgColor2")
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{
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// Se introducen los valores separados por comas en un vector
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std::stringstream ss(value);
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std::string tmp;
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getline(ss, tmp, ',');
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bgColor2.r = std::stoi(tmp);
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getline(ss, tmp, ',');
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bgColor2.g = std::stoi(tmp);
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getline(ss, tmp, ',');
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bgColor2.b = std::stoi(tmp);
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}
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else if (var == "room_up")
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{
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room_up = value;
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}
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else if (var == "room_down")
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{
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room_down = value;
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}
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else if (var == "room_left")
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{
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room_left = value;
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}
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else if (var == "room_right")
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{
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room_right = value;
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}
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else if (var == "enemy_file")
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{
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enemy_file = value;
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}
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else if (var == "")
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{
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}
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else
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{
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success = false;
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}
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return success;
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}
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// Asigna variables a una estructura enemy_t
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bool Map::setActor(actor_t *actor, SDL_Point *p1, SDL_Point *p2, std::string var, std::string value)
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{
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// Indicador de éxito en la asignación
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bool success = true;
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if (var == "tileset")
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{
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actor->tileset = value;
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}
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else if (var == "animation")
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{
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actor->animation = value;
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}
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else if (var == "width")
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{
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actor->w = std::stoi(value);
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}
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else if (var == "height")
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{
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actor->h = std::stoi(value);
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}
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else if (var == "x")
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{
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actor->x = std::stof(value) * tile_size;
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}
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else if (var == "y")
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{
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actor->y = std::stof(value) * tile_size;
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}
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else if (var == "vx")
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{
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actor->vx = std::stof(value);
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}
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else if (var == "vy")
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{
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actor->vy = std::stof(value);
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}
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else if (var == "x1")
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{
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p1->x = std::stoi(value) * tile_size;
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}
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else if (var == "x2")
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{
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p2->x = std::stoi(value) * tile_size;
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}
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else if (var == "y1")
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{
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p1->y = std::stoi(value) * tile_size;
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}
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else if (var == "y2")
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{
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p2->y = std::stoi(value) * tile_size;
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}
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else if ((var == "[/moving platform]") || (var == "[/diamond]"))
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{
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}
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else
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{
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success = false;
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}
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return success;
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}
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// Crea la textura con el mapeado de la habitación
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void Map::fillMapTexture()
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{
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// Crea variables
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SDL_Rect clip = {0, 0, tile_size, tile_size};
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// Rellena la capa 0
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{
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SDL_SetRenderTarget(renderer, map_layer0);
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SDL_SetTextureBlendMode(map_layer0, SDL_BLENDMODE_BLEND);
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SDL_SetRenderDrawColor(renderer, 0x00, 0x00, 0x00, 0xFF);
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SDL_RenderClear(renderer);
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// Dibuja el degradado de fondo
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const float num_lines = PLAY_AREA_BOTTOM - PLAY_AREA_TOP;
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for (int i = PLAY_AREA_TOP; i < PLAY_AREA_BOTTOM; i++)
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{
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float step = ((float)i / num_lines);
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int r = bgColor1.r + ((bgColor2.r - bgColor1.r) * step);
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int g = bgColor1.g + ((bgColor2.g - bgColor1.g) * step);
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int b = bgColor1.b + ((bgColor2.b - bgColor1.b) * step);
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SDL_SetRenderDrawColor(renderer, r, g, b, 0xFF);
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SDL_RenderDrawLine(renderer, 0, i, 319, i);
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}
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// Dibuja el mapeado de tiles
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for (int y = 0; y < map_height; y++)
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for (int x = 0; x < map_width; x++)
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{
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// Resta uno porque Tiled almacena los indices empezando de 1 en vez de 0.
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// El problema es que los tiles vacios los pone como 0 y aqui pasan a ser -1
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// con lo que esta pintando desde fuera de la textura
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clip.x = ((tilemap_l0[(y * map_width) + x] - 1) % tileset_width) * tile_size;
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clip.y = ((tilemap_l0[(y * map_width) + x] - 1) / tileset_width) * tile_size;
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texture_tile->render(renderer, x * tile_size, (y * tile_size) + PLAY_AREA_TOP, &clip);
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}
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}
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// Rellena la capa 1
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{
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SDL_SetRenderTarget(renderer, map_layer1);
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SDL_SetTextureBlendMode(map_layer1, SDL_BLENDMODE_BLEND);
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SDL_SetRenderDrawColor(renderer, 0x00, 0x00, 0x00, 0x00);
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SDL_RenderClear(renderer);
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// Dibuja el mapeado de tiles
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for (int y = 0; y < map_height; y++)
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for (int x = 0; x < map_width; x++)
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{
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// Resta uno porque Tiled almacena los indices empezando de 1 en vez de 0.
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// El problema es que los tiles vacios los pone como 0 y aqui pasan a ser -1
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// con lo que esta pintando desde fuera de la textura
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clip.x = ((tilemap_l1[(y * map_width) + x] - 1) % tileset_width) * tile_size;
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clip.y = ((tilemap_l1[(y * map_width) + x] - 1) / tileset_width) * tile_size;
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texture_tile->render(renderer, x * tile_size, (y * tile_size) + PLAY_AREA_TOP, &clip);
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}
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}
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// Vuelve a colocar el renderizador
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SDL_SetRenderTarget(renderer, nullptr);
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}
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// Dibuja el mapa en pantalla
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void Map::render()
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{
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// Dibuja la textura con el mapa en pantalla
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SDL_Rect rect = {0, 0, GAMECANVAS_WIDTH, GAMECANVAS_HEIGHT};
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SDL_RenderCopy(renderer, map_layer0, &rect, NULL);
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SDL_RenderCopy(renderer, map_layer1, &rect, NULL);
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for (auto actor : actors)
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{
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actor->render();
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}
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}
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// Actualiza todas las variables
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void Map::update()
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{
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for (auto actor : actors)
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{
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actor->update();
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}
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}
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// Devuelve el tipo de tile que hay en un punto
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e_tile_map Map::getTile(SDL_Point p)
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{
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// Normalizamos los puntos para que no busque fuera del mapa
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const int x = std::max(getPlayArea(b_left), (std::min(p.x, getPlayArea(b_right) - 1)));
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const int y = std::max(getPlayArea(b_top), (std::min(p.y, getPlayArea(b_bottom) - 1)));
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// Calcula el tile
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const int tile = collisionmap[(((y + PLAY_AREA_TOP) / tile_size) * map_width) + (x / tile_size)];
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// Las 8 primeras filas son tiles de fondo
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if (tile == 0)
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{
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return nothing;
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}
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else if (tile == 5627)
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{
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return wall;
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}
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else if (tile == 5628)
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{
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return passable;
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}
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return nothing;
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}
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// Devuelve el valor de la variable
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int Map::getTileSize()
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{
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return tile_size;
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}
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// Devuelve el valor de los bordes de la zona de juego
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int Map::getPlayArea(e_border border)
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{
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switch (border)
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{
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case b_top:
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return 0;
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break;
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case b_left:
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return 0;
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break;
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case b_right:
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return tile_size * map_width;
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break;
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|
|
|
case b_bottom:
|
|
return tile_size * map_height;
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return -1;
|
|
}
|
|
|
|
// Devuelve el nombre del fichero de la habitación en funcion del borde
|
|
std::string Map::getRoomFileName(e_border border)
|
|
{
|
|
switch (border)
|
|
{
|
|
case b_top:
|
|
return room_up;
|
|
break;
|
|
|
|
case b_left:
|
|
return room_left;
|
|
break;
|
|
|
|
case b_right:
|
|
return room_right;
|
|
break;
|
|
|
|
case b_bottom:
|
|
return room_down;
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return "";
|
|
}
|
|
|
|
// Devuelve el nombre del fichero de la habitación
|
|
std::string Map::getName()
|
|
{
|
|
return name;
|
|
}
|
|
|
|
// Indica si hay colision con un actor a partir de un rectangulo
|
|
int Map::actorCollision(SDL_Rect &rect)
|
|
{
|
|
int index = 0;
|
|
for (auto actor : actors)
|
|
{
|
|
if (checkCollision(rect, actor->getCollider()))
|
|
{
|
|
return index;
|
|
}
|
|
index++;
|
|
}
|
|
|
|
return -1;
|
|
}
|
|
|
|
// Indica si hay colision con un actor a partir de un rectangulo
|
|
int Map::actorCollision(SDL_Point &p)
|
|
{
|
|
int index = 0;
|
|
for (auto actor : actors)
|
|
{
|
|
if (checkCollision(p, actor->getCollider()))
|
|
{
|
|
return index;
|
|
}
|
|
index++;
|
|
}
|
|
|
|
return -1;
|
|
}
|
|
|
|
// Devuelve el nombre del actor a pàrtir de un índice
|
|
int Map::getActorName(int index)
|
|
{
|
|
if (index != -1)
|
|
{
|
|
return actors[index]->getName();
|
|
}
|
|
|
|
return -1;
|
|
}
|
|
|
|
// Devuelve el rectangulo de colisión
|
|
SDL_Rect Map::getActorCollider(int index)
|
|
{
|
|
SDL_Rect rect = {0, 0, 0, 0};
|
|
if (index != -1)
|
|
{
|
|
rect = actors[index]->getCollider();
|
|
}
|
|
|
|
return rect;
|
|
}
|
|
|
|
// Devuelve el desplazamiento relativo del actor
|
|
int Map::getActorIncX(int index)
|
|
{
|
|
int shift = 0;
|
|
if (index != -1)
|
|
{
|
|
shift = actors[index]->getIncX();
|
|
}
|
|
|
|
return shift;
|
|
}
|
|
|
|
// Elimina un actor
|
|
bool Map::deleteActor(int index)
|
|
{
|
|
bool success = false;
|
|
if (actors[index] != nullptr)
|
|
{
|
|
delete actors[index];
|
|
success = true;
|
|
}
|
|
|
|
actors.erase(actors.begin() + index);
|
|
return success;
|
|
}
|
|
|
|
// Coge un item
|
|
void Map::getItem(int index)
|
|
{
|
|
const SDL_Rect r = getActorCollider(index);
|
|
itemTracker->addItem(name, {r.x, r.y});
|
|
}
|
|
|
|
// Obtiene el valor de la variable
|
|
std::string Map::getEnemyFile()
|
|
{
|
|
return enemy_file;
|
|
}
|
|
|
|
// Recarga las texturas
|
|
void Map::reLoadTextures()
|
|
{
|
|
texture_tile->reLoad();
|
|
fillMapTexture();
|
|
} |