1 files changed, 241 insertions, 0 deletions

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+#include "map.h"
+
+struct platform_t {
+  int x;
+  int y;
+  int w;
+  int h;
+  bool enter_from_left;
+  bool enter_from_right;
+  bool enter_from_top;
+  bool enter_from_bottom;
+  int r;
+  int g;
+  int b;
+  int a;
+};
+
+Map::Map()
+{
+  add_collision(-6, 0, GAME_WIDTH, left, 1);
+  add_collision(GAME_WIDTH+6, 0, GAME_WIDTH, right, 1);
+  
+  FILE* f = fopen("../maps/bigmap.txt", "r");
+  char* mapbuf = (char*) malloc(MAP_WIDTH*MAP_HEIGHT*sizeof(char));
+  
+  for (int i=0; i<MAP_HEIGHT; i++)
+  {
+    fread(mapbuf + i*MAP_WIDTH, sizeof(char), MAP_WIDTH, f);
+    fgetc(f);
+  }
+  
+  fclose(f);
+  
+  //Texture* tiles = loadTextureFromBMP("../res/tiles.bmp");
+  bg = createTexture(GAME_WIDTH, GAME_HEIGHT);
+  fillTexture(bg, NULL, 0, 0, 0);
+  
+  for (int i=0; i<MAP_WIDTH*MAP_HEIGHT; i++)
+  {
+    int x = i % MAP_WIDTH;
+    int y = i / MAP_WIDTH;
+    Rectangle dst(x*TILE_WIDTH, y*TILE_HEIGHT, TILE_WIDTH, TILE_HEIGHT);
+    //Rectangle src;
+    
+    switch (mapbuf[i])
+    {
+      case ' ': break;
+      case 'X': fillTexture(bg, &dst, 255, 85, 85); break;
+      case 'P': fillTexture(bg, &dst, 85, 255, 255); break;
+    }
+    
+    //blitTexture(tiles, bg, &src, &dst);
+    
+    if (mapbuf[i] == 'X')
+    {
+      if ((x != 0) && (mapbuf[i-1] != 'X'))
+      {
+        add_collision(x*TILE_WIDTH, y*TILE_HEIGHT, (y+1)*TILE_HEIGHT, right, 0);
+      }
+      
+      if ((x != 15) && (mapbuf[i+1] != 'X'))
+      {
+        add_collision((x+1)*TILE_WIDTH, y*TILE_HEIGHT, (y+1)*TILE_HEIGHT, left, 0);
+      }
+      
+      if ((y != 0) && (mapbuf[i-MAP_WIDTH] != 'X'))
+      {
+        add_collision(y*TILE_HEIGHT, x*TILE_WIDTH, (x+1)*TILE_WIDTH, down, 0);
+      }
+      
+      if ((y != 15) && (mapbuf[i+MAP_WIDTH] != 'X'))
+      {
+        add_collision((y+1)*TILE_HEIGHT, x*TILE_WIDTH, (x+1)*TILE_WIDTH, up, 0);
+      }
+    } else if (mapbuf[i] == 'P')
+    {
+      add_collision(y*TILE_HEIGHT, x*TILE_WIDTH, (x+1)*TILE_WIDTH, down, 0);
+    }
+  }
+  
+  //destroyTexture(tiles);
+}
+
+Map::~Map()
+{
+  destroyTexture(bg);
+}
+
+void Map::add_collision(int axis, int lower, int upper, direction_t dir, int type)
+{
+  //printf("added collision\n");
+  list<collision_t>::iterator it;
+  
+  switch (dir)
+  {
+    case up:
+      it = up_collisions.begin();
+      for (; it!=up_collisions.end(); it++)
+      {
+        if (it->axis < axis) break;
+      }
+    
+      up_collisions.insert(it, {axis, lower, upper, type});
+      
+      break;
+    case down:
+      it = down_collisions.begin();
+      for (; it!=down_collisions.end(); it++)
+      {
+        if (it->axis > axis) break;
+      }
+    
+      down_collisions.insert(it, {axis, lower, upper, type});
+      
+      break;
+    case left:
+      it = left_collisions.begin();
+      for (; it!=left_collisions.end(); it++)
+      {
+        if (it->axis < axis) break;
+      }
+  
+      left_collisions.insert(it, {axis, lower, upper, type});
+      
+      break;
+    case right:
+      it = right_collisions.begin();
+      for (; it!=right_collisions.end(); it++)
+      {
+        if (it->axis > axis) break;
+      }
+  
+      right_collisions.insert(it, {axis, lower, upper, type});
+      
+      break;
+  }
+}
+
+void Map::check_collisions(mob_t* mob, int x_next, int y_next)
+{
+  if (x_next < mob->x)
+  {
+    for (list<collision_t>::iterator it=left_collisions.begin(); it!=left_collisions.end(); it++)
+    {
+      if (it->axis > mob->x) continue;
+      if (it->axis < x_next) break;
+  
+      if ((mob->y+mob->h > it->lower) && (mob->y < it->upper))
+      {
+        // We have a collision!
+        if (it->type == 0)
+        {
+          x_next = it->axis;
+          mob->x_vel = 0;
+        } else if (it->type == 1)
+        {
+          x_next = GAME_WIDTH-mob->w/2;
+        }
+    
+        break;
+      }
+    }
+  } else if (x_next > mob->x)
+  {
+    for (list<collision_t>::iterator it=right_collisions.begin(); it!=right_collisions.end(); it++)
+    {
+      if (it->axis < mob->x+mob->w) continue;
+      if (it->axis > x_next+mob->w) break;
+  
+      if ((mob->y+mob->h > it->lower) && (mob->y < it->upper))
+      {
+        // We have a collision!
+        if (it->type == 0)
+        {
+          x_next = it->axis - mob->w;
+          mob->x_vel = 0;
+        } else if (it->type == 1)
+        {
+          x_next = -mob->w/2;
+        }
+    
+        break;
+      }
+    }
+  }
+  
+  mob->x = x_next;
+  
+  if (y_next < mob->y)
+  {
+    for (list<collision_t>::iterator it=up_collisions.begin(); it!=up_collisions.end(); it++)
+    {
+      if (it->axis > mob->y) continue;
+      if (it->axis < y_next) break;
+  
+      if ((mob->x+mob->w > it->lower) && (mob->x < it->upper))
+      {
+        // We have a collision!
+        if (it->type == 0)
+        {
+          y_next = it->axis;
+          mob->y_vel = 0;
+        } else if (it->type == 1)
+        {
+          y_next = GAME_HEIGHT-mob->h/2-1;
+        }
+    
+        break;
+      }
+    }
+  } else if (y_next > mob->y)
+  {
+    for (list<collision_t>::iterator it=down_collisions.begin(); it!=down_collisions.end(); it++)
+    {
+      if (it->axis < mob->y+mob->h) continue;
+      if (it->axis > y_next+mob->h) break;
+
+      if ((mob->x+mob->w > it->lower) && (mob->x < it->upper))
+      {
+        // We have a collision!
+        if (it->type == 0)
+        {
+          y_next = it->axis - mob->h;
+          mob->y_vel = 0;
+        } else if (it->type == 1)
+        {
+          y_next = 1 - mob->h/2;
+        }
+        
+        break;
+      }
+    }
+  }
+  
+  mob->y = y_next;
+}
+
+void Map::render(Texture* buffer)
+{
+  blitTexture(bg, buffer, NULL, NULL);
+}