595 lines
14 KiB
C++
595 lines
14 KiB
C++
/*************************************************************************/
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/* tile_map.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* http://www.godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#include "tile_map.h"
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#include "io/marshalls.h"
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#include "servers/physics_2d_server.h"
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void TileMap::_notification(int p_what) {
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switch(p_what) {
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case NOTIFICATION_ENTER_SCENE: {
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pending_update=true;
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_update_dirty_quadrants();
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RID space = get_world_2d()->get_space();
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_update_quadrant_transform();
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_update_quadrant_space(space);
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} break;
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case NOTIFICATION_EXIT_SCENE: {
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_update_quadrant_space(RID());
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} break;
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case NOTIFICATION_TRANSFORM_CHANGED: {
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//move stuff
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_update_quadrant_transform();
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} break;
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}
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}
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void TileMap::_update_quadrant_space(const RID& p_space) {
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for (Map<PosKey,Quadrant>::Element *E=quadrant_map.front();E;E=E->next()) {
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Quadrant &q=E->get();
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Physics2DServer::get_singleton()->body_set_space(q.static_body,p_space);
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}
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}
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void TileMap::_update_quadrant_transform() {
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if (!is_inside_scene())
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return;
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Matrix32 global_transform = get_global_transform();
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for (Map<PosKey,Quadrant>::Element *E=quadrant_map.front();E;E=E->next()) {
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Quadrant &q=E->get();
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Matrix32 xform;
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xform.set_origin( q.pos );
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xform = global_transform * xform;
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Physics2DServer::get_singleton()->body_set_state(q.static_body,Physics2DServer::BODY_STATE_TRANSFORM,xform);
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}
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}
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void TileMap::set_tileset(const Ref<TileSet>& p_tileset) {
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if (tile_set.is_valid())
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tile_set->disconnect("changed",this,"_recreate_quadrants");
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_clear_quadrants();
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tile_set=p_tileset;
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if (tile_set.is_valid())
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tile_set->connect("changed",this,"_recreate_quadrants");
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else
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clear();
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_recreate_quadrants();
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}
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Ref<TileSet> TileMap::get_tileset() const {
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return tile_set;
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}
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void TileMap::set_cell_size(int p_size) {
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ERR_FAIL_COND(p_size<1);
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_clear_quadrants();
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cell_size=p_size;
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_recreate_quadrants();
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}
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int TileMap::get_cell_size() const {
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return cell_size;
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}
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void TileMap::set_quadrant_size(int p_size) {
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ERR_FAIL_COND(p_size<1);
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_clear_quadrants();
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quadrant_size=p_size;
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_recreate_quadrants();
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}
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int TileMap::get_quadrant_size() const {
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return quadrant_size;
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}
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void TileMap::set_center_x(bool p_enable) {
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center_x=p_enable;
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_recreate_quadrants();
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}
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bool TileMap::get_center_x() const {
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return center_x;
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}
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void TileMap::set_center_y(bool p_enable) {
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center_y=p_enable;
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_recreate_quadrants();
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}
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bool TileMap::get_center_y() const {
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return center_y;
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}
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void TileMap::_update_dirty_quadrants() {
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if (!pending_update)
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return;
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if (!is_inside_scene())
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return;
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if (!tile_set.is_valid())
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return;
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VisualServer *vs = VisualServer::get_singleton();
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Physics2DServer *ps = Physics2DServer::get_singleton();
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while (dirty_quadrant_list.first()) {
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Quadrant &q = *dirty_quadrant_list.first()->self();
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vs->canvas_item_clear(q.canvas_item);
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ps->body_clear_shapes(q.static_body);
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for(int i=0;i<q.cells.size();i++) {
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Map<PosKey,Cell>::Element *E=tile_map.find( q.cells[i] );
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Cell &c=E->get();
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//moment of truth
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if (!tile_set->has_tile(c.id))
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continue;
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Ref<Texture> tex = tile_set->tile_get_texture(c.id);
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Vector2 tile_ofs = tile_set->tile_get_texture_offset(c.id);
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Vector2 offset = Point2( E->key().x, E->key().y )*cell_size - q.pos;
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if (!tex.is_valid())
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continue;
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Rect2 r = tile_set->tile_get_region(c.id);
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Size2 s = tex->get_size();
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if (r==Rect2())
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s = tex->get_size();
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else {
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s = r.size;
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r.pos.x+=fp_adjust;
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r.pos.y+=fp_adjust;
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r.size.x-=fp_adjust*2.0;
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r.size.y-=fp_adjust*2.0;
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}
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Rect2 rect;
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rect.pos=offset.floor();
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rect.size=s;
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rect.size.x+=fp_adjust;
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rect.size.y+=fp_adjust;
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if (c.flip_h)
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rect.size.x=-rect.size.x;
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if (c.flip_v)
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rect.size.y=-rect.size.y;
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rect.pos+=tile_ofs;
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if (r==Rect2()) {
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tex->draw_rect(q.canvas_item,rect);
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} else {
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tex->draw_rect_region(q.canvas_item,rect,r);
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}
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Vector< Ref<Shape2D> > shapes = tile_set->tile_get_shapes(c.id);
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for(int i=0;i<shapes.size();i++) {
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Ref<Shape2D> shape = shapes[i];
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if (shape.is_valid()) {
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Vector2 shape_ofs = tile_set->tile_get_shape_offset(c.id);
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Matrix32 xform;
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xform.set_origin(offset.floor()+shape_ofs);
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if (c.flip_h) {
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xform.elements[0]=-xform.elements[0];
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xform.elements[2].x+=s.x;
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}
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if (c.flip_v) {
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xform.elements[1]=-xform.elements[1];
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xform.elements[2].y+=s.y;
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}
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ps->body_add_shape(q.static_body,shape->get_rid(),xform);
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}
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}
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}
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dirty_quadrant_list.remove( dirty_quadrant_list.first() );
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}
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pending_update=false;
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_recompute_rect_cache();
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}
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void TileMap::_recompute_rect_cache() {
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#ifdef DEBUG_ENABLED
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if (!rect_cache_dirty)
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return;
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Rect2 r_total;
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for (Map<PosKey,Quadrant>::Element *E=quadrant_map.front();E;E=E->next()) {
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Rect2 r( Point2(E->key().x, E->key().y)*cell_size*quadrant_size, Size2(1,1)*cell_size*quadrant_size );
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if (E==quadrant_map.front())
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r_total=r;
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else
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r_total=r_total.merge(r);
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}
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if (r_total==Rect2()) {
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rect_cache=Rect2(-10,-10,20,20);
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} else {
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rect_cache=r_total;
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}
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item_rect_changed();
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rect_cache_dirty=false;
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#endif
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}
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Map<TileMap::PosKey,TileMap::Quadrant>::Element *TileMap::_create_quadrant(const PosKey& p_qk) {
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Matrix32 xform;
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xform.set_origin(Point2(p_qk.x,p_qk.y)*quadrant_size*cell_size);
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Quadrant q;
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q.canvas_item = VisualServer::get_singleton()->canvas_item_create();
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VisualServer::get_singleton()->canvas_item_set_parent( q.canvas_item, get_canvas_item() );
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VisualServer::get_singleton()->canvas_item_set_transform( q.canvas_item, xform );
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q.static_body=Physics2DServer::get_singleton()->body_create(Physics2DServer::BODY_MODE_STATIC);
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if (is_inside_scene()) {
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xform = get_global_transform() * xform;
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RID space = get_world_2d()->get_space();
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Physics2DServer::get_singleton()->body_set_space(q.static_body,space);
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}
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Physics2DServer::get_singleton()->body_set_state(q.static_body,Physics2DServer::BODY_STATE_TRANSFORM,xform);
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q.pos=Vector2(p_qk.x,p_qk.y)*quadrant_size*cell_size;
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rect_cache_dirty=true;
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return quadrant_map.insert(p_qk,q);
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}
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void TileMap::_erase_quadrant(Map<PosKey,Quadrant>::Element *Q) {
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Quadrant &q=Q->get();
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Physics2DServer::get_singleton()->free(q.static_body);
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VisualServer::get_singleton()->free(q.canvas_item);
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if (q.dirty_list.in_list())
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dirty_quadrant_list.remove(&q.dirty_list);
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quadrant_map.erase(Q);
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rect_cache_dirty=true;
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}
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void TileMap::_make_quadrant_dirty(Map<PosKey,Quadrant>::Element *Q) {
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Quadrant &q=Q->get();
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if (!q.dirty_list.in_list())
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dirty_quadrant_list.add(&q.dirty_list);
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if (pending_update)
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return;
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pending_update=true;
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if (!is_inside_scene())
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return;
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call_deferred("_update_dirty_quadrants");
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}
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void TileMap::set_cell(int p_x,int p_y,int p_tile,bool p_flip_x,bool p_flip_y) {
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PosKey pk(p_x,p_y);
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Map<PosKey,Cell>::Element *E=tile_map.find(pk);
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if (!E && p_tile==INVALID_CELL)
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return; //nothing to do
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PosKey qk(p_x/quadrant_size,p_y/quadrant_size);
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if (p_tile==INVALID_CELL) {
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//erase existing
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tile_map.erase(pk);
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Map<PosKey,Quadrant>::Element *Q = quadrant_map.find(qk);
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ERR_FAIL_COND(!Q);
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Quadrant &q=Q->get();
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q.cells.erase(pk);
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if (q.cells.size()==0)
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_erase_quadrant(Q);
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else
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_make_quadrant_dirty(Q);
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return;
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}
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Map<PosKey,Quadrant>::Element *Q = quadrant_map.find(qk);
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if (!E) {
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E=tile_map.insert(pk,Cell());
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if (!Q)
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Q=_create_quadrant(qk);
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Quadrant &q=Q->get();
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q.cells.insert(pk);
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} else {
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ERR_FAIL_COND(!Q); // quadrant should exist...
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if (E->get().id==p_tile && E->get().flip_h==p_flip_x && E->get().flip_v==p_flip_y)
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return; //nothing changed
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}
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Cell &c = E->get();
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c.id=p_tile;
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c.flip_h=p_flip_x;
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c.flip_v=p_flip_y;
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_make_quadrant_dirty(Q);
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}
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int TileMap::get_cell(int p_x,int p_y) const {
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PosKey pk(p_x,p_y);
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const Map<PosKey,Cell>::Element *E=tile_map.find(pk);
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if (!E)
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return INVALID_CELL;
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return E->get().id;
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}
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bool TileMap::is_cell_x_flipped(int p_x,int p_y) const {
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PosKey pk(p_x,p_y);
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const Map<PosKey,Cell>::Element *E=tile_map.find(pk);
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if (!E)
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return false;
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return E->get().flip_h;
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}
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bool TileMap::is_cell_y_flipped(int p_x,int p_y) const {
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PosKey pk(p_x,p_y);
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const Map<PosKey,Cell>::Element *E=tile_map.find(pk);
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if (!E)
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return false;
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return E->get().flip_v;
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}
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void TileMap::_recreate_quadrants() {
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_clear_quadrants();
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for (Map<PosKey,Cell>::Element *E=tile_map.front();E;E=E->next()) {
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PosKey qk(E->key().x/quadrant_size,E->key().y/quadrant_size);
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Map<PosKey,Quadrant>::Element *Q=quadrant_map.find(qk);
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if (!Q) {
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Q=_create_quadrant(qk);
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dirty_quadrant_list.add(&Q->get().dirty_list);
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}
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Q->get().cells.insert(E->key());
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}
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}
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void TileMap::_clear_quadrants() {
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while (quadrant_map.size()) {
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_erase_quadrant( quadrant_map.front() );
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}
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}
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void TileMap::clear() {
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_clear_quadrants();
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tile_map.clear();
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}
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void TileMap::_set_tile_data(const DVector<int>& p_data) {
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int c=p_data.size();
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DVector<int>::Read r = p_data.read();
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for(int i=0;i<c;i+=2) {
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const uint8_t *ptr=(const uint8_t*)&r[i];
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uint8_t local[8];
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for(int j=0;j<8;j++)
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local[j]=ptr[j];
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#ifdef BIG_ENDIAN_ENABLED
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SWAP(local[0],local[3]);
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SWAP(local[1],local[2]);
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SWAP(local[4],local[7]);
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SWAP(local[5],local[6]);
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#endif
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int x = decode_uint16(&local[0]);
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int y = decode_uint16(&local[2]);
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uint32_t v = decode_uint32(&local[4]);
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bool flip_h = v&(1<<29);
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bool flip_v = v&(1<<30);
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v&=(1<<29)-1;
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// if (x<-20 || y <-20 || x>4000 || y>4000)
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// continue;
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set_cell(x,y,v,flip_h,flip_v);
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}
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}
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DVector<int> TileMap::_get_tile_data() const {
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DVector<int> data;
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data.resize(tile_map.size()*2);
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DVector<int>::Write w = data.write();
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int idx=0;
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for(const Map<PosKey,Cell>::Element *E=tile_map.front();E;E=E->next()) {
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uint8_t *ptr = (uint8_t*)&w[idx];
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encode_uint16(E->key().x,&ptr[0]);
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encode_uint16(E->key().y,&ptr[2]);
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uint32_t val = E->get().id;
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if (E->get().flip_h)
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val|=(1<<29);
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if (E->get().flip_v)
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val|=(1<<30);
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encode_uint32(val,&ptr[4]);
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idx+=2;
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}
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w = DVector<int>::Write();
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return data;
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}
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Rect2 TileMap::get_item_rect() const {
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const_cast<TileMap*>(this)->_update_dirty_quadrants();
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return rect_cache;
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}
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void TileMap::_bind_methods() {
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ObjectTypeDB::bind_method(_MD("set_tileset","tileset:TileSet"),&TileMap::set_tileset);
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ObjectTypeDB::bind_method(_MD("get_tileset:TileSet"),&TileMap::get_tileset);
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ObjectTypeDB::bind_method(_MD("set_cell_size","size"),&TileMap::set_cell_size);
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ObjectTypeDB::bind_method(_MD("get_cell_size"),&TileMap::get_cell_size);
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ObjectTypeDB::bind_method(_MD("set_quadrant_size","size"),&TileMap::set_quadrant_size);
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ObjectTypeDB::bind_method(_MD("get_quadrant_size"),&TileMap::get_quadrant_size);
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ObjectTypeDB::bind_method(_MD("set_center_x","enable"),&TileMap::set_center_x);
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ObjectTypeDB::bind_method(_MD("get_center_x"),&TileMap::get_center_x);
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ObjectTypeDB::bind_method(_MD("set_center_y","enable"),&TileMap::set_center_y);
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ObjectTypeDB::bind_method(_MD("get_center_y"),&TileMap::get_center_y);
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ObjectTypeDB::bind_method(_MD("set_cell","x","y","tile","flip_x","flip_y"),&TileMap::set_cell,DEFVAL(false),DEFVAL(false));
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ObjectTypeDB::bind_method(_MD("get_cell","x","y"),&TileMap::get_cell);
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ObjectTypeDB::bind_method(_MD("is_cell_x_flipped","x","y"),&TileMap::is_cell_x_flipped);
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ObjectTypeDB::bind_method(_MD("is_cell_y_flipped","x","y"),&TileMap::is_cell_y_flipped);
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ObjectTypeDB::bind_method(_MD("clear"),&TileMap::clear);
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ObjectTypeDB::bind_method(_MD("_clear_quadrants"),&TileMap::_clear_quadrants);
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ObjectTypeDB::bind_method(_MD("_recreate_quadrants"),&TileMap::_recreate_quadrants);
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ObjectTypeDB::bind_method(_MD("_update_dirty_quadrants"),&TileMap::_update_dirty_quadrants);
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|
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ObjectTypeDB::bind_method(_MD("_set_tile_data"),&TileMap::_set_tile_data);
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ObjectTypeDB::bind_method(_MD("_get_tile_data"),&TileMap::_get_tile_data);
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|
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ADD_PROPERTY( PropertyInfo(Variant::INT,"cell_size",PROPERTY_HINT_RANGE,"1,8192,1"),_SCS("set_cell_size"),_SCS("get_cell_size"));
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ADD_PROPERTY( PropertyInfo(Variant::INT,"quadrant_size",PROPERTY_HINT_RANGE,"1,128,1"),_SCS("set_quadrant_size"),_SCS("get_quadrant_size"));
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ADD_PROPERTY( PropertyInfo(Variant::OBJECT,"tile_set",PROPERTY_HINT_RESOURCE_TYPE,"TileSet"),_SCS("set_tileset"),_SCS("get_tileset"));
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|
ADD_PROPERTY( PropertyInfo(Variant::OBJECT,"tile_data",PROPERTY_HINT_NONE,"",PROPERTY_USAGE_NOEDITOR),_SCS("_set_tile_data"),_SCS("_get_tile_data"));
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|
|
BIND_CONSTANT( INVALID_CELL );
|
|
}
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|
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TileMap::TileMap() {
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|
|
|
rect_cache_dirty=true;
|
|
pending_update=false;
|
|
quadrant_size=16;
|
|
cell_size=64;
|
|
center_x=false;
|
|
center_y=false;
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|
|
|
fp_adjust=0.01;
|
|
fp_adjust=0.01;
|
|
}
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|
|
|
TileMap::~TileMap() {
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|
|
|
clear();
|
|
}
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