Añadidos los enemigos

data/actors/enemies/bug.ani

@@ -6,5 +6,5 @@ tile_height=16
 name=walk
 speed=8
 loop=yes
-frames=0,1,2,3,4,5,6
+frames=0,1,2,3,4,5
 [/animation]

data/actors/enemies/flying_eye.ani

@@ -6,5 +6,5 @@ tile_height=16
 name=walk
 speed=8
 loop=yes
-frames=0,1,2,3,4,5,6
+frames=0,1,2,3,4,5
 [/animation]

data/actors/enemies/flying_eye_horn.ani

@@ -4,7 +4,7 @@ tile_height=16
 
 [animation]
 name=walk
-speed=8
+speed=6
 loop=yes
-frames=0,1,2,3,4,5,6
+frames=0,1,2,3,4,5
 [/animation]

data/actors/enemies/walking_eye.ani

@@ -6,5 +6,5 @@ tile_height=16
 name=walk
 speed=8
 loop=yes
-frames=0,1,2,3,4,5,6
+frames=0,1,2,3,4,5
 [/animation]

data/map/01.map

@@ -7,4 +7,4 @@ room_right=02.map
 
 [tilemap]
 01.tmx
-[tilemap-end]
+[/tilemap]

data/map/01.tmx

@@ -5,30 +5,30 @@
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 </data>
  </layer>
 </map>

data/map/02.map

@@ -7,4 +7,49 @@ room_right=0
 
 [tilemap]
 02.tmx
-[tilemap-end]
+[/tilemap]
+
+[enemy]
+tileset=walking_eye.png
+animation=walking_eye.ani
+width=16
+height=16
+x=3
+y=17
+vx=0.4
+vy=0
+x1=3
+y1=17
+x2=13
+y2=17
+[/enemy]
+
+[enemy]
+tileset=flying_eye.png
+animation=flying_eye.ani
+width=16
+height=16
+x=18
+y=11
+vx=0
+vy=0.5
+x1=18
+y1=11
+x2=18
+y2=17
+[/enemy]
+
+[enemy]
+tileset=flying_eye_horn.png
+animation=flying_eye_horn.ani
+width=16
+height=16
+x=21
+y=11
+vx=0
+vy=0.7
+x1=21
+y1=11
+x2=21
+y2=17
+[/enemy]

data/map/02.tmx

@@ -6,12 +6,12 @@
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 </data>
  </layer>
 </map>

data/map/03.map

@@ -7,4 +7,4 @@ room_right=0
 
 [tilemap]
 03.tmx
-[tilemap-end]
+[/tilemap]

source/enemy.cpp

@@ -0,0 +1,89 @@
+#include "enemy.h"
+#include <fstream>
+#include <sstream>
+
+// Constructor
+Enemy::Enemy(enemy_t enemy)
+{
+    // Obten punteros a objetos
+    asset = enemy.asset;
+    renderer = enemy.renderer;
+
+    // Crea objetos
+    texture = new LTexture();
+    loadTextureFromFile(texture, asset->get(enemy.tileset), renderer);
+    sprite = new AnimatedSprite(texture, renderer, asset->get(enemy.animation));
+
+    // Obten el resto de valores
+    x1 = enemy.x1;
+    x2 = enemy.x2;
+    y1 = enemy.y1;
+    y2 = enemy.y2;
+    color = enemy.color;
+    sprite->setPosX(enemy.x);
+    sprite->setPosY(enemy.y);
+    sprite->setVelX(enemy.vx);
+    sprite->setVelY(enemy.vy);
+
+    // Inicializa el sprite con el resto de parametros comunes
+    sprite->setWidth(enemy.w);
+    sprite->setHeight(enemy.h);
+    sprite->setCurrentAnimation("walk");
+    sprite->setFlip(enemy.vx>0?SDL_FLIP_NONE:SDL_FLIP_HORIZONTAL);
+
+    collider = getRect();
+}
+
+// Destructor
+Enemy::~Enemy()
+{
+    texture->unload();
+    delete texture;
+    texture = nullptr;
+
+    delete sprite;
+    sprite = nullptr;
+}
+
+// Pinta el enemigo en pantalla
+void Enemy::render()
+{
+    sprite->render();
+}
+
+// Actualiza las variables del objeto
+void Enemy::update()
+{
+    sprite->update();
+    sprite->animate();
+    checkPath();
+    collider = getRect();
+}
+
+// Comprueba si ha llegado al limite del recorrido para darse media vuelta
+void Enemy::checkPath()
+{
+    if (sprite->getPosX() > x2 || sprite->getPosX() < x1)
+    {
+        sprite->setVelX(sprite->getVelX() * (-1));
+        sprite->flip();
+    }
+
+    if (sprite->getPosY() > y2 || sprite->getPosY() < y1)
+    {
+        sprite->setVelY(sprite->getVelY() * (-1));
+        sprite->flip();
+    }
+}
+
+// Devuelve el rectangulo que contiene al enemigo
+SDL_Rect Enemy::getRect()
+{
+    return sprite->getRect();
+}
+
+// Obtiene el rectangulo de colision del enemigo
+SDL_Rect &Enemy::getCollider()
+{
+    return collider;
+}

source/enemy.h

@@ -0,0 +1,70 @@
+#pragma once
+
+#include <SDL2/SDL.h>
+#include "utils.h"
+#include "asset.h"
+#include "animatedsprite.h"
+#include <string>
+
+#ifndef ENEMY_H
+#define ENEMY_H
+
+// Estructura para pasar los datos de un enemigo
+struct enemy_t
+{
+	SDL_Renderer *renderer; // El renderizador de la ventana
+	Asset *asset;			// Objeto con la ruta a todos los ficheros de recursos
+	std::string tileset;	// Fichero con los graficos del enemigo
+	std::string animation;	// Fichero con las animaciones del enemigo
+	int w;					// Anchura del enemigo
+	int h;					// Altura del enemigo
+	float x;				// Posición inicial en el eje X
+	float y;				// Posición inicial en el eje Y
+	float vx;				// Velocidad en el eje X
+	float vy;				// Velocidad en el eje Y
+	int x1;					// Limite izquierdo de la ruta en el eje X
+	int x2;					// Limite derecho de la ruta en el eje X
+	int y1;					// Limite superior de la ruta en el eje Y
+	int y2;					// Limite inferior de la ruta en el eje Y
+	color_t color;			// Color del enemigo
+};
+
+// Clase Enemy
+class Enemy
+{
+private:
+	SDL_Renderer *renderer; // El renderizador de la ventana
+	Asset *asset;			// Objeto con la ruta a todos los ficheros de recursos
+	LTexture *texture;		// Textura con los graficos del enemigo
+	AnimatedSprite *sprite; // Sprite del enemigo
+	color_t color;			// Color del enemigo
+	int x1;					// Limite izquierdo de la ruta en el eje X
+	int x2;					// Limite derecho de la ruta en el eje X
+	int y1;					// Limite superior de la ruta en el eje Y
+	int y2;					// Limite inferior de la ruta en el eje Y
+	SDL_Rect collider;		// Caja de colisión
+
+	// Comprueba si ha llegado al limite del recorrido para darse media vuelta
+	void checkPath();
+
+public:
+	// Constructor
+	Enemy(enemy_t enemy);
+
+	// Destructor
+	~Enemy();
+
+	// Pinta el enemigo en pantalla
+	void render();
+
+	// Actualiza las variables del objeto
+	void update();
+
+	// Devuelve el rectangulo que contiene al enemigo
+	SDL_Rect getRect();
+
+	// Obtiene el rectangulo de colision del enemigo
+	SDL_Rect &getCollider();
+};
+
+#endif

source/game.cpp

@@ -10,7 +10,7 @@ Game::Game(SDL_Renderer *renderer, Asset *asset, Screen *screen, Input *input)
     this->input = input;
 
     eventHandler = new SDL_Event();
-    map = new Map(asset->get("02.map"), renderer, asset);
+    map = new Map(asset->get("01.map"), renderer, asset);
     player = new Player(renderer, asset, input, map);
     debugText = new Text(asset->get("debug.png"), asset->get("debug.txt"), renderer);
 }
@@ -76,6 +76,7 @@ void Game::update()
 
         player->update();
         checkScreenBorders();
+        map->update();
         checkInput();
     }
 }

source/map.cpp

@@ -35,6 +35,12 @@ Map::~Map()
     delete texture_tile;
 
     SDL_DestroyTexture(map_texture);
+
+    for (auto enemy : enemy_list)
+    {
+        delete enemy;
+    }
+    enemy_list.clear();
 }
 
 // Carga las variables desde un fichero
@@ -95,7 +101,32 @@ bool Map::load(std::string file_path)
                             }
                         }
                     }
-                } while (line != "[tilemap-end]");
+                } while (line != "[/tilemap]");
+            }
+
+            // Si la linea contiene el texto [enemy] se realiza el proceso de carga de un enemigo
+            else if (line == "[enemy]")
+            {
+                enemy_t enemy;
+                enemy.asset = asset;
+                enemy.renderer = renderer;
+
+                do
+                {
+                    std::getline(file, line);
+
+                    // Encuentra la posición del caracter '='
+                    int pos = line.find("=");
+                    // Procesa las dos subcadenas
+                    if (!setEnemy(&enemy, line.substr(0, pos), line.substr(pos + 1, line.length())))
+                    {
+                        printf("Warning: file %s\n, unknown parameter \"%s\"\n", filename.c_str(), line.substr(0, pos).c_str());
+                        success = false;
+                    }
+                } while (line != "[/enemy]");
+
+                // Añade el enemigo al vector de enemigos
+                enemy_list.push_back(new Enemy(enemy));
             }
 
             // En caso contrario se parsea el fichero para buscar las variables y los valores
@@ -163,6 +194,71 @@ bool Map::setVars(std::string var, std::string value)
     return success;
 }
 
+// Asigna variables a una estructura enemy_t
+bool Map::setEnemy(enemy_t *enemy, std::string var, std::string value)
+{
+    // Indicador de éxito en la asignación
+    bool success = true;
+
+    if (var == "tileset")
+    {
+        enemy->tileset = value;
+    }
+    else if (var == "animation")
+    {
+        enemy->animation = value;
+    }
+    else if (var == "width")
+    {
+        enemy->w = std::stof(value);
+    }
+    else if (var == "height")
+    {
+        enemy->h = std::stof(value);
+    }
+    else if (var == "x")
+    {
+        enemy->x = std::stof(value) * tile_size;
+    }
+    else if (var == "y")
+    {
+        enemy->y = std::stof(value) * tile_size;
+    }
+    else if (var == "vx")
+    {
+        enemy->vx = std::stof(value);
+    }
+    else if (var == "vy")
+    {
+        enemy->vy = std::stof(value);
+    }
+    else if (var == "x1")
+    {
+        enemy->x1 = std::stoi(value) * tile_size;
+    }
+    else if (var == "x2")
+    {
+        enemy->x2 = std::stoi(value) * tile_size;
+    }
+    else if (var == "y1")
+    {
+        enemy->y1 = std::stoi(value) * tile_size;
+    }
+    else if (var == "y2")
+    {
+        enemy->y2 = std::stoi(value) * tile_size;
+    }
+    else if (var == "[/enemy]")
+    {
+    }
+    else
+    {
+        success = false;
+    }
+
+    return success;
+}
+
 // Crea la textura con el mapeado de la habitación
 void Map::fillMapTexture()
 {
@@ -208,13 +304,14 @@ void Map::fillMapTexture()
     }
 
     // Dibuja el marco del marcador
-    SDL_SetRenderDrawColor(renderer, 85, 50, 85, 0xFF);
+    // SDL_SetRenderDrawColor(renderer, 85, 50, 85, 0xFF);
-    SDL_SetRenderDrawColor(renderer, 0, 0, 0, 0xFF);
+    // SDL_SetRenderDrawColor(renderer, 0, 0, 0, 0xFF);
-    SDL_Rect rect = {0, 208, 320, 32};
+    // SDL_Rect rect = {0, 208, 320, 32};
-    SDL_RenderDrawRect(renderer, &rect);
+    // SDL_RenderDrawRect(renderer, &rect);
-    rect = {1, 209, 318, 30};
+    // rect = {1, 209, 318, 30};
-    SDL_RenderDrawRect(renderer, &rect);
+    // SDL_RenderDrawRect(renderer, &rect);
 
+    // Vuelve a colocar el renderizador
     SDL_SetRenderTarget(renderer, nullptr);
 }
 
@@ -224,24 +321,44 @@ void Map::render()
     // Dibuja la textura con el mapa en pantalla
     SDL_Rect rect = {0, 0, GAMECANVAS_WIDTH, GAMECANVAS_HEIGHT};
     SDL_RenderCopy(renderer, map_texture, &rect, NULL);
+
+    for (auto enemy : enemy_list)
+    {
+        enemy->render();
+    }
+}
+
+// Actualiza todas las variables
+void Map::update()
+{
+    for (auto enemy : enemy_list)
+    {
+        enemy->update();
+    }
 }
 
 // Devuelve el tipo de tile que hay en un punto
 e_tile_map Map::getTile(SDL_Point p)
 {
-    const int x = std::max(getPlayArea(b_left), (std::min(p.x, getPlayArea(b_right))));
+    // Normalizamos los puntos para que no busque fuera del mapa
-    const int y = std::max(getPlayArea(b_top), (std::min(p.y, getPlayArea(b_bottom))));
+    const int x = std::max(getPlayArea(b_left), (std::min(p.x, getPlayArea(b_right) - 1)));
+    const int y = std::max(getPlayArea(b_top), (std::min(p.y, getPlayArea(b_bottom) - 1)));
+    
+    // Calcula el tile
     const int tile = tilemap[((y / tile_size) * map_width) + (x / tile_size)];
     const int png_width = 32;
 
+    // Las 8 primeras filas son tiles de fondo
     if (tile >= 0 && tile < 8 * png_width)
     {
         return nothing;
     }
+    // De la fila 8 a la 15 hay tiles de muro
     else if (tile >= (8 * png_width) && tile < 16 * png_width)
     {
         return wall;
     }
+    // A partir de la fila 16 son tiles atravesables
     else
     {
         return passable;

source/map.h

@@ -4,6 +4,7 @@
 #include "utils.h"
 #include "asset.h"
 #include "const.h"
+#include "enemy.h"
 #include <string>
 #include <vector>
 #include <sstream>
@@ -32,16 +33,17 @@ enum e_border
 class Map
 {
 private:
-	Asset *asset;			  // Objeto con la ruta a todos los ficheros de recursos
+	Asset *asset;					 // Objeto con la ruta a todos los ficheros de recursos
-	SDL_Renderer *renderer;	  // El renderizador de la ventana
+	SDL_Renderer *renderer;			 // El renderizador de la ventana
-	std::string room_up;	  // Identificador de la habitación que se encuentra arriba
+	std::string room_up;			 // Identificador de la habitación que se encuentra arriba
-	std::string room_down;	  // Identificador de la habitación que se encuentra abajp
+	std::string room_down;			 // Identificador de la habitación que se encuentra abajp
-	std::string room_left;	  // Identificador de la habitación que se encuentra a la izquierda
+	std::string room_left;			 // Identificador de la habitación que se encuentra a la izquierda
-	std::string room_right;	  // Identificador de la habitación que se encuentra a la derecha
+	std::string room_right;			 // Identificador de la habitación que se encuentra a la derecha
-	std::string tileset_img;  // Imagen con los graficos para la habitación
+	std::string tileset_img;		 // Imagen con los graficos para la habitación
-	std::vector<int> tilemap; // Indice de los tiles a dibujar en la habitación
+	std::vector<int> tilemap;		 // Indice de los tiles a dibujar en la habitación
-	LTexture *texture_tile;	  // Textura con los graficos de los tiles habitación
+	LTexture *texture_tile;			 // Textura con los graficos de los tiles habitación
-	SDL_Texture *map_texture; // Textura para dibujar el mapa de la habitación
+	SDL_Texture *map_texture;		 // Textura para dibujar el mapa de la habitación
+	std::vector<Enemy *> enemy_list; // Listado con los enemigos de la habitación
 
 	int tile_size;	   // Ancho del tile en pixels
 	int map_width;	   // Ancho del mapa en tiles
@@ -54,6 +56,9 @@ private:
 	// Asigna variables a partir de dos cadenas
 	bool setVars(std::string var, std::string value);
 
+	// Asigna variables a una estructura enemy_t
+	bool setEnemy(enemy_t *enemy, std::string var, std::string value);
+
 	// Pinta el mapa de la habitación en la textura
 	void fillMapTexture();
 

source/movingsprite.cpp

@@ -303,6 +303,12 @@ void MovingSprite::setFlip(SDL_RendererFlip flip)
 	mFlip = flip;
 }
 
+// Gira el sprite horizontalmente
+void MovingSprite::flip()
+{
+	mFlip = (mFlip==SDL_FLIP_HORIZONTAL)?SDL_FLIP_NONE:SDL_FLIP_HORIZONTAL;
+}
+
 // Obtiene el valor de la variable
 SDL_RendererFlip MovingSprite::getFlip()
 {

source/movingsprite.h

@@ -141,6 +141,9 @@ public:
     // Establece el valor de la variable
     void setFlip(SDL_RendererFlip flip);
 
+    // Gira el sprite horizontalmente
+    void flip();
+
     // Obtiene el valor de la variable
     SDL_RendererFlip getFlip();
 

source/player.cpp

@@ -27,7 +27,7 @@ Player::Player(SDL_Renderer *renderer, Asset *asset, Input *input, Map *map)
     const SDL_Rect rect = {(int)x, (int)y, 16, 24};
     sprite->setPos(rect);
     sprite->setCurrentAnimation("stand");
-    sprite->setFlip(SDL_FLIP_HORIZONTAL);
+    sprite->setFlip(SDL_FLIP_NONE);
 
     jumpStrenght = 2.0f;
     gravity = 0.3f;