Terminados los tiles atravesables

2022-08-20 09:15:51 +02:00
parent 8765049b69
commit 7e93b3150f
6 changed files with 102 additions and 58 deletions
--- a/data/map/01_8.tmx
+++ b/data/map/01_8.tmx
@@ -12,23 +12,23 @@
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 </data>
 </layer>
 </map>
--- a/source/game.cpp
+++ b/source/game.cpp
@@ -118,6 +118,18 @@ void Game::renderDebugInfo()
        return;
    }

+    // Pinta la rejilla
+    SDL_SetRenderDrawColor(renderer, 0, 0, 0, 16);
+    for (int i = 0; i < 240; i += 8)
+    {
+        SDL_RenderDrawLine(renderer, 0, i, 320, i);
+    }
+    for (int i = 0; i < 320; i += 8)
+    {
+        SDL_RenderDrawLine(renderer, i, 0, i, 240);
+    }
+
+    // Pinta el texto
    int line = 0;
    std::string text = "";

@@ -136,7 +148,10 @@ void Game::renderDebugInfo()
    text = "isOnFloor " + std::to_string(player->isOnFloor());
    debugText->write(0, line += 6, text, -1);

-    text = "getTile " + std::to_string(player->map->getTile(player->collider[0]));
+    const std::string foot_x = std::to_string(player->underFeet[0].x);
+    const std::string foot_y = std::to_string(player->underFeet[0].y);
+    const std::string gettile = std::to_string(player->map->getTile(player->underFeet[0]));
+    text = "getTile(" + foot_x + "," + foot_y + ") = " + gettile;
    debugText->write(0, line += 6, text, -1);

    text = "state " + std::to_string(player->state);
--- a/source/map.cpp
+++ b/source/map.cpp
@@ -226,13 +226,13 @@ void Map::render()
 t_tile_map Map::getTile(SDL_Point p)
 {
    const int tile = tilemap[((p.y / tile_size) * map_width) + (p.x / tile_size)];
-    const int png_width = 16 * 2;
+    const int png_width = 32;

-    if (tile >= 0 && tile < 4 * 2 * png_width)
+    if (tile >= 0 && tile < 8 * png_width)
    {
        return nothing;
    }
-    else if (tile >= (4 * 2 * png_width) && tile < 8 * 2 * png_width)
+    else if (tile >= (8 * png_width) && tile < 16 * png_width)
    {
        return wall;
    }
@@ -247,3 +247,9 @@ int Map::getTileSize()
 {
    return tile_size;
 }
+
+// Devuelve el indice del tile correspondiente a un punto del mapa
+int Map::getTileIndex(SDL_Point p)
+{
+    return tilemap[((p.y / tile_size) * map_width) + (p.x / tile_size)];
+}
--- a/source/map.h
+++ b/source/map.h
@@ -68,6 +68,9 @@ public:

 	// Devuelve el valor de la variable
 	int getTileSize();
+
+	// Devuelve el indice del tile correspondiente a un punto del mapa
+	int getTileIndex(SDL_Point p);
 };

 #endif
--- a/source/player.cpp
+++ b/source/player.cpp
@@ -23,6 +23,7 @@ Player::Player(SDL_Renderer *renderer, Asset *asset, Input *input, Map *map)
    y = 168;
    vx = 0;
    vy = 0;
+    lastPosition = {(int)x, (int)y};
    const SDL_Rect rect = {(int)x, (int)y, 16, 24};
    sprite->setPos(rect);
    sprite->setCurrentAnimation("stand");
@@ -64,7 +65,7 @@ Player::~Player()
 void Player::update()
 {
    checkInput();
-    addGravity();
+    // addGravity();
    move();
    animate();
 }
@@ -136,13 +137,10 @@ void Player::checkInput()
 // Aplica la gravedad
 void Player::addGravity()
 {
-    if (!isOnFloor())
+    // *** Falta ver pq la gravedad empuja al muñeco hacia abajo en los tiles atravesables
+    if (state != standing)
    {
        vy = std::min(vy += gravity, maxVY);
-        if (state == standing)
-        {
-            state = falling;
-        }
    }
 }

@@ -198,48 +196,74 @@ bool Player::checkMapCollisions()
 // Mueve al jugador en función de la velocidad/desplazamiento
 void Player::move()
 {
-    const int tile = map->getTileSize();
+    const int tileSize = map->getTileSize();
+    lastPosition = {(int)x, (int)y};
+    addGravity();

+    // Mueve en el eje X y comprueba colisiones con muros
    x += vx;
    if (checkMapCollisions())
    {
        // Recoloca
        if (vx > 0)
        {
-            x -= ((int)x + w) % tile;
+            x -= ((int)x + w) % tileSize;
        }
        else
        {
-            x += tile - ((int)x % tile);
+            x += tileSize - ((int)x % tileSize);
        }

        vx = 0.0f;
    }

-    const bool wasOnFloor = isOnFloor();
+    // Mueve en el eje Y y comprueba colisiones con muros
    y += vy;
    if (checkMapCollisions())
    {
        // Recoloca
        if (vy > 0.0f)
        {
-            y -= ((int)y + h) % tile;
+            y -= ((int)y + h) % tileSize;
            state = standing;
        }
        else
        {
-            y += tile - ((int)y % tile);
+            y += tileSize - ((int)y % tileSize);
            state = falling;
        }
        vy = 0.0f;
    }
-    else if ((!wasOnFloor) && (isOnFloor()) && (vy > 0.0f))
+
+    // Si no hay colisiones con los muros en el eje Y, comprueba no haya atravesado
+    // el suelo de un tile atravesble
+    else
+    {
+        const int a = (lastPosition.y + h) / tileSize;
+        const int b = ((int)y + h) / tileSize;
+        const bool tile_change = a != b;
+
+        const bool going_down = vy >= 0.0f;
+        const bool tile_aligned = ((int)y + h) % tileSize == 0;
+
+        if (((going_down) && (tile_aligned)) || ((going_down) && (tile_change)))
+        {
+            // Tiene uno de los pies sobre una superficie
+            if (isOnFloor())
            {
                state = standing;
                vy = 0.0f;
-        y -= ((int)y + h) % tile;
+                y -= ((int)y + h) % tileSize;
+            }
+            // Tiene ambos pies sobre el vacío
+            else
+            {
+                state = falling;
+            }
+        }
    }

+    // Actualiza la posición del sprite
    sprite->setPosX(x);
    sprite->setPosY(y);
 }
@@ -273,11 +297,6 @@ bool Player::isOnFloor()

    updateFeet();

-    if (underFeet[0].y % map->getTileSize() != 0)
-    {
-        return false;
-    }
-
    for (auto f : underFeet)
    {
        onFloor |= ((map->getTile(f) == wall) || (map->getTile(f) == passable));
--- a/source/player.h
+++ b/source/player.h
@@ -41,6 +41,7 @@ public:
 	int w;					// Ancho del jugador
 	int h;					// ALto del jugador
 	t_player_state state;	// Estado actual del jugador
+	SDL_Point lastPosition; // Posición anterior

 	// Variables que afectan a la inercia del movimiento
 	float jumpStrenght; // Cantidad de pixels a desplazarse y velocidad que pilla al saltar