-// $Id$
+// SuperTux
+// Copyright (C) 2006 Matthias Braun <matze@braunis.de>
//
-// 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 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 3 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
// 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 <config.h>
-
-#include <cassert>
-#include <algorithm>
-#include <iostream>
-#include <stdexcept>
-#include <cmath>
-
-#include "tilemap.hpp"
-#include "video/drawing_context.hpp"
-#include "level.hpp"
-#include "tile.hpp"
-#include "resources.hpp"
-#include "tile_manager.hpp"
-#include "lisp/lisp.hpp"
-#include "lisp/writer.hpp"
-#include "object_factory.hpp"
-#include "main.hpp"
-#include "log.hpp"
-
-TileMap::TileMap()
- : solid(false), speed(1), width(0), height(0), layer(LAYER_TILES),
- drawing_effect(NO_EFFECT)
+// along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+#include <math.h>
+
+#include "object/tilemap.hpp"
+#include "scripting/squirrel_util.hpp"
+#include "scripting/tilemap.hpp"
+#include "supertux/globals.hpp"
+#include "supertux/object_factory.hpp"
+#include "supertux/tile_manager.hpp"
+#include "supertux/tile_set.hpp"
+#include "util/reader.hpp"
+
+TileMap::TileMap(const TileSet *new_tileset) :
+ tileset(new_tileset),
+ tiles(),
+ real_solid(false),
+ effective_solid(false),
+ speed_x(1),
+ speed_y(1),
+ width(0),
+ height(0),
+ z_pos(0),
+ offset(Vector(0,0)),
+ movement(0,0),
+ drawing_effect(NO_EFFECT),
+ alpha(1.0),
+ current_alpha(1.0),
+ remaining_fade_time(0),
+ path(),
+ walker(),
+ draw_target(DrawingContext::NORMAL)
{
- tilemanager = tile_manager;
-
- if(solid)
- flags |= FLAG_SOLID;
}
-TileMap::TileMap(const lisp::Lisp& reader, TileManager* new_tile_manager)
- : solid(false), speed(1), width(-1), height(-1), layer(LAYER_TILES),
- drawing_effect(NO_EFFECT)
+TileMap::TileMap(const Reader& reader) :
+ tileset(),
+ tiles(),
+ real_solid(false),
+ effective_solid(false),
+ speed_x(1),
+ speed_y(1),
+ width(-1),
+ height(-1),
+ z_pos(0),
+ offset(Vector(0,0)),
+ movement(Vector(0,0)),
+ drawing_effect(NO_EFFECT),
+ alpha(1.0),
+ current_alpha(1.0),
+ remaining_fade_time(0),
+ path(),
+ walker(),
+ draw_target(DrawingContext::NORMAL)
{
- tilemanager = new_tile_manager;
- if(tilemanager == 0)
- tilemanager = tile_manager;
-
- std::string layer_str;
- if(reader.get("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
- log_warning << "Unknown layer '" << layer_str << "' in tilemap" << std::endl;
- }
+ tileset = current_tileset;
+ assert(tileset != NULL);
+
+ reader.get("name", name);
+ reader.get("solid", real_solid);
+ reader.get("speed", speed_x);
+ reader.get("speed-y", speed_y);
- reader.get("solid", solid);
- reader.get("speed", speed);
+ z_pos = reader_get_layer (reader, /* default = */ 0);
- if(solid && speed != 1) {
+ if(real_solid && ((speed_x != 1) || (speed_y != 1))) {
log_warning << "Speed of solid tilemap is not 1. fixing" << std::endl;
- speed = 1;
+ speed_x = 1;
+ speed_y = 1;
}
- if(solid)
- flags |= FLAG_SOLID;
-
+
+ const lisp::Lisp* pathLisp = reader.get_lisp("path");
+ if (pathLisp) {
+ path.reset(new Path());
+ path->read(*pathLisp);
+ walker.reset(new PathWalker(path.get(), /*running*/false));
+ Vector v = path->get_base();
+ set_offset(v);
+ }
+
+ std::string draw_target_s = "normal";
+ reader.get("draw-target", draw_target_s);
+ if (draw_target_s == "normal") draw_target = DrawingContext::NORMAL;
+ if (draw_target_s == "lightmap") draw_target = DrawingContext::LIGHTMAP;
+
+ if (reader.get("alpha", alpha)) {
+ current_alpha = alpha;
+ }
+
+ /* Initialize effective_solid based on real_solid and current_alpha. */
+ effective_solid = real_solid;
+ update_effective_solid ();
+
reader.get("width", width);
reader.get("height", height);
if(width < 0 || height < 0)
throw std::runtime_error("Invalid/No width/height specified in tilemap.");
- if(!reader.get_vector("tiles", tiles))
+ if(!reader.get("tiles", tiles))
throw std::runtime_error("No tiles in tilemap.");
if(int(tiles.size()) != width*height) {
throw std::runtime_error("wrong number of tiles in tilemap.");
}
- // make sure all tiles are loaded
- for(Tiles::iterator i = tiles.begin(); i != tiles.end(); ++i)
- tilemanager->get(*i);
+ bool empty = true;
+
+ // make sure all tiles used on the tilemap are loaded and tilemap isn't empty
+ for(Tiles::iterator i = tiles.begin(); i != tiles.end(); ++i) {
+ if(*i != 0) {
+ empty = false;
+ }
+
+ tileset->get(*i);
+ }
+
+ if(empty)
+ {
+ log_info << "Tilemap '" << name << "', z-pos '" << z_pos << "' is empty." << std::endl;
+ }
}
-TileMap::TileMap(int layer_, bool solid_, size_t width_, size_t height_)
- : solid(solid_), speed(1), width(0), height(0), layer(layer_),
- drawing_effect(NO_EFFECT)
+TileMap::TileMap(const TileSet *new_tileset, std::string name_, int z_pos_,
+ bool solid, size_t width_, size_t height_) :
+ tileset(new_tileset),
+ tiles(),
+ real_solid(solid),
+ effective_solid(solid),
+ speed_x(1),
+ speed_y(1),
+ width(0),
+ height(0),
+ z_pos(z_pos_),
+ offset(Vector(0,0)),
+ movement(Vector(0,0)),
+ drawing_effect(NO_EFFECT),
+ alpha(1.0),
+ current_alpha(1.0),
+ remaining_fade_time(0),
+ path(),
+ walker(),
+ draw_target(DrawingContext::NORMAL)
{
- tilemanager = tile_manager;
-
- resize(width_, height_);
+ this->name = name_;
+
+ if (this->z_pos > (LAYER_GUI - 100))
+ this->z_pos = LAYER_GUI - 100;
- if(solid)
- flags |= FLAG_SOLID;
+ resize(width_, height_);
}
TileMap::~TileMap()
}
void
-TileMap::write(lisp::Writer& writer)
+TileMap::update(float elapsed_time)
{
- 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");
- log_warning << "unknown layer in tilemap" << std::endl;
+ // handle tilemap fading
+ if (current_alpha != alpha) {
+ remaining_fade_time = std::max(0.0f, remaining_fade_time - elapsed_time);
+ if (remaining_fade_time == 0.0f) {
+ current_alpha = alpha;
+ } else {
+ float amt = (alpha - current_alpha) / (remaining_fade_time / elapsed_time);
+ if (amt > 0) current_alpha = std::min(current_alpha + amt, alpha);
+ if (amt < 0) current_alpha = std::max(current_alpha + amt, alpha);
+ }
+ update_effective_solid ();
}
- writer.write_bool("solid", solid);
- writer.write_float("speed", speed);
- writer.write_int("width", width);
- writer.write_int("height", height);
- writer.write_int_vector("tiles", tiles);
-
- writer.end_list("tilemap");
-}
-
-void
-TileMap::update(float )
-{
+ movement = Vector(0,0);
+ // if we have a path to follow, follow it
+ if (walker.get()) {
+ Vector v = walker->advance(elapsed_time);
+ movement = v - get_offset();
+ set_offset(v);
+ }
}
void
TileMap::draw(DrawingContext& context)
{
+ // skip draw if current opacity is 0.0
+ if (current_alpha == 0.0) return;
+
context.push_transform();
+ if(draw_target != DrawingContext::NORMAL) {
+ context.push_target();
+ context.set_target(draw_target);
+ }
- if(drawing_effect != 0)
- context.set_drawing_effect(drawing_effect);
+ if(drawing_effect != 0) context.set_drawing_effect(drawing_effect);
+ if(current_alpha != 1.0) context.set_alpha(current_alpha);
+
+ /* Force the translation to be an integer so that the tiles appear sharper.
+ * For consistency (i.e., to avoid 1-pixel gaps), this needs to be done even
+ * for solid tilemaps that are guaranteed to have speed 1.
+ * FIXME Force integer translation for all graphics, not just tilemaps. */
float trans_x = roundf(context.get_translation().x);
float trans_y = roundf(context.get_translation().y);
- context.set_translation(Vector(trans_x * speed, trans_y * speed));
-
- /** 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);
- if(start_x < 0)
- start_x = 0;
- float start_y = roundf(context.get_translation().y);
- if(start_y < 0)
- start_y = 0;
- float end_x = std::min(start_x + SCREEN_WIDTH, float(width * 32));
- float end_y = std::min(start_y + SCREEN_HEIGHT, 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
+ context.set_translation(Vector(int(trans_x * speed_x),
+ int(trans_y * speed_y)));
+
+ Rectf draw_rect = Rectf(context.get_translation(),
+ context.get_translation() + Vector(SCREEN_WIDTH, SCREEN_HEIGHT));
+ Rect t_draw_rect = get_tiles_overlapping(draw_rect);
+ Vector start = get_tile_position(t_draw_rect.left, t_draw_rect.top);
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) {
- const Tile* tile = tilemanager->get(tiles[ty*width + tx]);
+
+ for(pos.x = start.x, tx = t_draw_rect.left; tx < t_draw_rect.right; pos.x += 32, ++tx) {
+ for(pos.y = start.y, ty = t_draw_rect.top; ty < t_draw_rect.bottom; pos.y += 32, ++ty) {
+ int index = ty*width + tx;
+ assert (index >= 0);
+ assert (index < (width * height));
+
+ if (tiles[index] == 0) continue;
+ const Tile* tile = tileset->get(tiles[index]);
assert(tile != 0);
- tile->draw(context, pos, layer);
- }
+ tile->draw(context, pos, z_pos);
+ } /* for (pos y) */
+ } /* for (pos x) */
+
+ if(draw_target != DrawingContext::NORMAL) {
+ context.pop_target();
}
+ context.pop_transform();
+}
-#if 0
- if (debug_grid)
- {
- for (pos.x = start_x; pos.x < end_x; pos.x += 32)
- {
- context.draw_filled_rect(Vector (pos.x, start_y), Vector(1, fabsf(start_y - end_y)),
- Color(0.8f, 0.8f, 0.8f), LAYER_GUI-50);
- }
+void
+TileMap::goto_node(int node_no)
+{
+ if (!walker.get()) return;
+ walker->goto_node(node_no);
+}
- for (pos.y = start_y; pos.y < end_y; pos.y += 32)
- {
- context.draw_filled_rect(Vector (start_x, pos.y), Vector(fabsf(start_x - end_x), 1),
- Color(1.0f, 1.0f, 1.0f), LAYER_GUI-50);
- }
- }
-#endif
+void
+TileMap::start_moving()
+{
+ if (!walker.get()) return;
+ walker->start_moving();
+}
- context.pop_transform();
+void
+TileMap::stop_moving()
+{
+ if (!walker.get()) return;
+ walker->stop_moving();
+}
+
+void
+TileMap::expose(HSQUIRRELVM vm, SQInteger table_idx)
+{
+ if (name.empty()) return;
+ scripting::TileMap* _this = new scripting::TileMap(this);
+ expose_object(vm, table_idx, _this, name, true);
+}
+
+void
+TileMap::unexpose(HSQUIRRELVM vm, SQInteger table_idx)
+{
+ if (name.empty()) return;
+ scripting::unexpose_object(vm, table_idx, name);
}
void
TileMap::set(int newwidth, int newheight, const std::vector<unsigned int>&newt,
- int newlayer, bool newsolid)
+ int new_z_pos, bool newsolid)
{
if(int(newt.size()) != newwidth * newheight)
throw std::runtime_error("Wrong tilecount count.");
tiles.resize(newt.size());
tiles = newt;
- layer = newlayer;
- solid = newsolid;
- if(solid)
- flags |= FLAG_SOLID;
+ if (new_z_pos > (LAYER_GUI - 100))
+ z_pos = LAYER_GUI - 100;
+ else
+ z_pos = new_z_pos;
+ real_solid = newsolid;
+ update_effective_solid ();
// make sure all tiles are loaded
for(Tiles::iterator i = tiles.begin(); i != tiles.end(); ++i)
- tilemanager->get(*i);
+ tileset->get(*i);
}
void
-TileMap::resize(int new_width, int new_height)
+TileMap::resize(int new_width, int new_height, int fill_id)
{
if(new_width < width) {
// remap tiles for new width
}
}
}
-
- tiles.resize(new_width * new_height);
-
+
+ tiles.resize(new_width * new_height, fill_id);
+
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] = 0;
+ tiles[y * new_width + x] = fill_id;
continue;
}
-
+
tiles[y * new_width + x] = tiles[y * width + x];
}
}
width = new_width;
}
-const Tile*
-TileMap::get_tile(int x, int y) const
+Rect
+TileMap::get_tiles_overlapping(const Rectf &rect) const
+{
+ Rectf rect2 = rect;
+ rect2.move(-offset);
+
+ int t_left = std::max(0 , int(floorf(rect2.get_left () / 32)));
+ int t_right = std::min(width , int(ceilf (rect2.get_right () / 32)));
+ int t_top = std::max(0 , int(floorf(rect2.get_top () / 32)));
+ int t_bottom = std::min(height, int(ceilf (rect2.get_bottom() / 32)));
+ return Rect(t_left, t_top, t_right, t_bottom);
+}
+
+void
+TileMap::set_solid(bool solid)
+{
+ this->real_solid = solid;
+ update_effective_solid ();
+}
+
+uint32_t
+TileMap::get_tile_id(int x, int y) const
{
if(x < 0 || x >= width || y < 0 || y >= height) {
//log_warning << "tile outside tilemap requested" << std::endl;
- return tilemanager->get(0);
+ return 0;
}
- return tilemanager->get(tiles[y*width + x]);
+ return tiles[y*width + x];
+}
+
+const Tile*
+TileMap::get_tile(int x, int y) const
+{
+ uint32_t id = get_tile_id(x, y);
+ return tileset->get(id);
+}
+
+uint32_t
+TileMap::get_tile_id_at(const Vector& pos) const
+{
+ Vector xy = (pos - offset) / 32;
+ return get_tile_id(int(xy.x), int(xy.y));
}
const Tile*
TileMap::get_tile_at(const Vector& pos) const
{
- return get_tile(int(pos.x)/32, int(pos.y)/32);
+ uint32_t id = get_tile_id_at(pos);
+ return tileset->get(id);
}
void
void
TileMap::change_at(const Vector& pos, uint32_t newtile)
{
- change(int(pos.x)/32, int(pos.y)/32, newtile);
+ Vector xy = (pos - offset) / 32;
+ change(int(xy.x), int(xy.y), newtile);
}
void
TileMap::change_all(uint32_t oldtile, uint32_t newtile)
{
- for (size_t x = 0; x < get_width(); x++)
+ for (size_t x = 0; x < get_width(); x++) {
for (size_t y = 0; y < get_height(); y++) {
- if (get_tile(x,y)->getID() == oldtile) change(x,y,newtile);
+ if (get_tile_id(x,y) != oldtile)
+ continue;
+
+ change(x,y,newtile);
}
+ }
+}
+
+void
+TileMap::fade(float alpha_, float seconds)
+{
+ this->alpha = alpha_;
+ this->remaining_fade_time = seconds;
+}
+
+void
+TileMap::set_alpha(float alpha_)
+{
+ this->alpha = alpha_;
+ this->current_alpha = alpha;
+ this->remaining_fade_time = 0;
+ update_effective_solid ();
+}
+
+float
+TileMap::get_alpha()
+{
+ return this->current_alpha;
+}
+
+/*
+ * Private methods
+ */
+void
+TileMap::update_effective_solid (void)
+{
+ if (!real_solid)
+ effective_solid = false;
+ else if (effective_solid && (current_alpha < .25))
+ effective_solid = false;
+ else if (!effective_solid && (current_alpha >= .75))
+ effective_solid = true;
}
-IMPLEMENT_FACTORY(TileMap, "tilemap");
+/* EOF */