X-Git-Url: https://git.verplant.org/?a=blobdiff_plain;f=src%2Ftilemap.cpp;h=2bf445d9c0e168afac18a06b21a40a4581d8831d;hb=4254c5c1c918e3a3c8fcdba82470d9400602e308;hp=ba560c6e207c62dabe467717c193c488b60ab4fe;hpb=3e43c88abc23c09ac467b3f47d708a6b08938c66;p=supertux.git

diff --git a/src/tilemap.cpp b/src/tilemap.cpp
index ba560c6e2..2bf445d9c 100644
--- a/src/tilemap.cpp
+++ b/src/tilemap.cpp
@@ -1,15 +1,91 @@
+//  $Id$
+//
+//  SuperTux -  A Jump'n Run
+//  Copyright (C) 2004 Matthias Braun <matze@braunis.de
+//
+//  This program is free software; you can redistribute it and/or
+//  modify it under the terms of the GNU General Public License
+//  as published by the Free Software Foundation; either version 2
+//  of the License, or (at your option) any later version.
+//
+//  This program is distributed in the hope that it will be useful,
+//  but WITHOUT ANY WARRANTY; without even the implied warranty of
+//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//  GNU General Public License for more details.
+//
+//  You should have received a copy of the GNU General Public License
+//  along with this program; if not, write to the Free Software
+//  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+
+#include <cassert>
+#include <algorithm>
+#include <iostream>
+#include <stdexcept>
+#include <cmath>
+
 #include "tilemap.h"
-#include "display_manager.h"
+#include "video/drawing_context.h"
 #include "level.h"
 #include "tile.h"
-#include "globals.h"
+#include "tile_manager.h"
+#include "app/globals.h"
+#include "utils/lispreader.h"
+#include "utils/lispwriter.h"
 
-TileMap::TileMap(DisplayManager& display_manager, Level* newlevel)
-  : level(newlevel)
+TileMap::TileMap()
+  : solid(false), speed(1), width(0), height(0), layer(LAYER_TILES), vertical_flip(false)
+{
+  tilemanager = TileManager::instance();
+}
+
+TileMap::TileMap(LispReader& reader)
+  : solid(false), speed(1), width(0), height(0), layer(LAYER_TILES), vertical_flip(false)
+{
+  tilemanager = TileManager::instance();
+
+  std::string layer_str;
+  if(reader.read_string("layer", layer_str)) {
+    if(layer_str == "background")
+      layer = LAYER_BACKGROUNDTILES;
+    else if(layer_str == "interactive")
+      layer = LAYER_TILES;
+    else if(layer_str == "foreground")
+      layer = LAYER_FOREGROUNDTILES;
+    else
+      std::cerr << "Unknown layer '" << layer_str << "' in tilemap.\n";
+  }
+
+  reader.read_bool("solid", solid);
+  reader.read_float("speed", speed);
+
+  if(solid && speed != 1) {
+    std::cout << "Speed of solid tilemap is not 1. fixing.\n";
+    speed = 1;
+  }
+  
+  if(!reader.read_int("width", width) ||
+     !reader.read_int("height", height))
+    throw std::runtime_error("No width or height specified in tilemap.");
+
+  std::vector<unsigned int> tmp_tiles;
+  
+  if(!reader.read_int_vector("tiles", tmp_tiles))
+    throw std::runtime_error("No tiles in tilemap.");
+
+  tiles.resize(tmp_tiles.size());
+  for(unsigned int i = 0; i < tmp_tiles.size(); ++i)
+    {
+      tiles[i].hidden = false;
+      tiles[i].id = tmp_tiles[i];
+    }
+
+  if(int(tiles.size()) != width*height)
+    throw std::runtime_error("wrong number of tiles in tilemap.");
+}
+
+TileMap::TileMap(int layer_, bool solid_, size_t width_, size_t height_)
+  : solid(solid_), speed(1), width(width_), height(height_), layer(layer_), vertical_flip(false)
 {
-  display_manager.add_drawable(this, LAYER_BACKGROUNDTILES);
-  display_manager.add_drawable(this, LAYER_TILES);
-  display_manager.add_drawable(this, LAYER_FOREGROUNDTILES);
 }
 
 TileMap::~TileMap()
@@ -17,34 +93,209 @@ TileMap::~TileMap()
 }
 
 void
+TileMap::write(LispWriter& writer)
+{
+  writer.start_list("tilemap");
+
+  if(layer == LAYER_BACKGROUNDTILES)
+    writer.write_string("layer", "background");
+  else if(layer == LAYER_TILES)
+    writer.write_string("layer", "interactive");
+  else if(layer == LAYER_FOREGROUNDTILES)
+    writer.write_string("layer", "foreground");
+  else {
+    writer.write_string("layer", "unknown");
+    std::cerr << "Warning unknown layer in tilemap.\n";
+  }
+
+  writer.write_bool("solid", solid);
+  writer.write_float("speed", speed);
+  writer.write_int("width", width);
+  writer.write_int("height", height);
+
+  std::vector<unsigned int> tmp_tiles;
+  tmp_tiles.resize(tiles.size());
+  for(unsigned int i = 0; i < tmp_tiles.size(); ++i)
+    {
+      tmp_tiles[i] = tiles[i].id;
+    }
+  writer.write_int_vector("tiles", tmp_tiles);
+  
+  writer.end_list("tilemap");
+}
+
+void
 TileMap::action(float )
 {
 }
 
 void
-TileMap::draw(ViewPort& viewport, int layer)
+TileMap::draw(DrawingContext& context)
 {
-  std::vector<std::vector<unsigned int> >* tiles;
-  switch(layer) {
-    case LAYER_BACKGROUNDTILES:
-      tiles = &level->bg_tiles; break;
-    case LAYER_TILES:
-      tiles = &level->ia_tiles; break;
-    case LAYER_FOREGROUNDTILES:
-      tiles = &level->fg_tiles; break;
-    default:
-      assert(!"Wrong layer when drawing tilemap.");
-  }
+  if (speed == 1.0)
+    {
+      if(vertical_flip)  // flip vertically the tiles, in case we are playing this
+        {   // level upside down
+        context.push_transform();
+        context.set_drawing_effect(VERTICAL_FLIP); 
+        }
+
+      /** if we don't round here, we'll have a 1 pixel gap on screen sometimes.
+       * I have no idea why */
+      float start_x = roundf(context.get_translation().x);
+      float start_y = roundf(context.get_translation().y);
+      float end_x = std::min(start_x + screen->w, float(width * 32));
+      float end_y = std::min(start_y + screen->h, float(height * 32));
+      start_x -= int(start_x) % 32;
+      start_y -= int(start_y) % 32;  
+      int tsx = int(start_x / 32); // tilestartindex x
+      int tsy = int(start_y / 32); // tilestartindex y
+
+      Vector pos;
+      int tx, ty;
+      for(pos.x = start_x, tx = tsx; pos.x < end_x; pos.x += 32, ++tx) {
+        for(pos.y = start_y, ty = tsy; pos.y < end_y; pos.y += 32, ++ty) {
+          if(tx < 0 || tx > width || ty < 0 || ty > height)
+            continue;  // outside tilemap
+          if (!tiles[ty*width + tx].hidden)
+            tilemanager->draw_tile(context, tiles[ty*width + tx].id, pos, layer);
+        }
+      }
+
+      if(vertical_flip)  // disable flipping, if applied
+        context.pop_transform();
+    }
+  else
+    {
+      float trans_x = roundf(context.get_translation().x);
+      float trans_y = roundf(context.get_translation().y);
+
+      context.push_transform();
+      context.set_translation(Vector(trans_x * speed, trans_y * speed));
+      if(vertical_flip)
+        context.set_drawing_effect(VERTICAL_FLIP); 
+
+      float start_x = roundf(context.get_translation().x);
+      float start_y = roundf(context.get_translation().y);
+      float end_x = std::min(start_x + screen->w, float(width * 32));
+      float end_y = std::min(start_y + screen->h, float(height * 32));
+      start_x -= int(start_x) % 32;
+      start_y -= int(start_y) % 32;  
+      int tsx = int(start_x / 32); // tilestartindex x
+      int tsy = int(start_y / 32); // tilestartindex y     
+
+      Vector pos;
+      int tx, ty;
+      for(pos.x = start_x, tx = tsx; pos.x < end_x; pos.x += 32, ++tx) {
+        for(pos.y = start_y, ty = tsy; pos.y < end_y; pos.y += 32, ++ty) {
+          if(tx < 0 || tx > width || ty < 0 || ty > height)
+            continue;  // outside tilemap
+          if (!tiles[ty*width + tx].hidden)
+            tilemanager->draw_tile(context, tiles[ty*width + tx].id, pos, layer);
+        }
+      }
+
+      context.pop_transform();
+    }
+}
 
-  int tsx = int(viewport.get_translation().x / 32); // tilestartindex x
-  int tsy = int(viewport.get_translation().y / 32); // tilestartindex y
-  int sx = - (int(viewport.get_translation().x) % 32);
-  int sy = - (int(viewport.get_translation().y) % 32);
-  for(int x = sx, tx = tsx; x < screen->w && tx < int((*tiles)[0].size());
-      x += 32, ++tx) {
-    for(int y = sy, ty = tsy; y < screen->h && ty < int(tiles->size());
-          y += 32, ++ty) {
-      Tile::draw(x, y, (*tiles) [ty][tx]);
+void
+TileMap::set(int newwidth, int newheight, const std::vector<unsigned int>&newt,
+    int newlayer, bool newsolid)
+{
+  assert(int(newt.size()) == newwidth * newheight);
+
+  width  = newwidth;
+  height = newheight;
+
+  tiles.resize(newt.size());
+  for(unsigned int i = 0; i < newt.size(); ++i)
+    {
+      tiles[i].hidden = false;
+      tiles[i].id = newt[i];
+    }
+
+  layer  = newlayer;
+  solid  = newsolid;
+}
+
+void
+TileMap::resize(int new_width, int new_height)
+{
+  if(new_width < width) {
+    // remap tiles for new width
+    for(int y = 0; y < height && y < new_height; ++y) {
+      for(int x = 0; x < new_width; ++x) {
+        tiles[y * new_width + x] = tiles[y * width + x];
+      }
     }
   }
+                                                                                
+  tiles.resize(new_width * new_height);
+                                                                                
+  if(new_width > width) {
+    // remap tiles
+    for(int y = std::min(height, new_height)-1; y >= 0; --y) {
+      for(int x = new_width-1; x >= 0; --x) {
+        if(x >= width) {
+          tiles[y * new_width + x] = TileId();
+        } else {
+          tiles[y * new_width + x] = tiles[y * width + x];
+        }
+      }
+    }
+  }
+
+  height = new_height;
+  width = new_width;
+}
+
+void
+TileMap::do_vertical_flip()
+{
+  // remap tiles vertically flipped
+  for(int y = 0; y < height / 2; ++y) {
+    for(int x = 0; x < width; ++x) {
+      std::swap(tiles[y*width + x], tiles[(((height-1)*width) - (y*width)) + x]);
+      }
+    }
+
+  vertical_flip = true;
+}
+
+Tile*
+TileMap::get_tile(int x, int y) const
+{
+  if(x < 0 || x >= width || y < 0 || y >= height)
+    return tilemanager->get(0);
+
+  return tilemanager->get(tiles[y*width + x].id);
+}
+
+Tile*
+TileMap::get_tile_at(const Vector& pos) const
+{
+  return get_tile(int(pos.x)/32, int(pos.y)/32);
+}
+
+TileId&
+TileMap::get_tile_id_at(const Vector& pos)
+{
+  int x = int(pos.x)/32;
+  int y = int(pos.y)/32;
+  
+  return tiles[y*width + x];
+}
+
+void
+TileMap::change(int x, int y, unsigned int newtile)
+{
+  assert(x >= 0 && x < width && y >= 0 && y < height);
+  tiles[y*width + x].id = newtile;
+}
+
+void
+TileMap::change_at(const Vector& pos, unsigned int newtile)
+{
+  change(int(pos.x)/32, int(pos.y)/32, newtile);
 }