159 lines
4.1 KiB
C++
159 lines
4.1 KiB
C++
/*
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* This file is part of OpenTTD.
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* OpenTTD 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, version 2.
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* OpenTTD 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.
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* See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
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*/
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/** @file animated_tile.cpp Everything related to animated tiles. */
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#include "stdafx.h"
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#include "animated_tile.h"
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#include "core/alloc_func.hpp"
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#include "core/smallvec_type.hpp"
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#include "tile_cmd.h"
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#include "viewport_func.h"
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#include "framerate_type.h"
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#include "date_func.h"
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#include "3rdparty/cpp-btree/btree_map.h"
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#include "safeguards.h"
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/** The table/list with animated tiles. */
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btree::btree_map<TileIndex, AnimatedTileInfo> _animated_tiles;
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/**
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* Removes the given tile from the animated tile table.
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* @param tile the tile to remove
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*/
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void DeleteAnimatedTile(TileIndex tile)
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{
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auto to_remove = _animated_tiles.find(tile);
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if (to_remove != _animated_tiles.end() && !to_remove->second.pending_deletion) {
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to_remove->second.pending_deletion = true;
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MarkTileDirtyByTile(tile, VMDF_NOT_MAP_MODE);
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}
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}
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static void UpdateAnimatedTileSpeed(TileIndex tile, AnimatedTileInfo &info)
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{
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extern uint8 GetAnimatedTileSpeed_Town(TileIndex tile);
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extern uint8 GetAnimatedTileSpeed_Station(TileIndex tile);
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extern uint8 GetAnimatedTileSpeed_Industry(TileIndex tile);
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extern uint8 GetNewObjectTileAnimationSpeed(TileIndex tile);
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switch (GetTileType(tile)) {
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case MP_HOUSE:
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info.speed = GetAnimatedTileSpeed_Town(tile);
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break;
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case MP_STATION:
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info.speed = GetAnimatedTileSpeed_Station(tile);
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break;
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case MP_INDUSTRY:
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info.speed = GetAnimatedTileSpeed_Industry(tile);
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break;
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case MP_OBJECT:
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info.speed = GetNewObjectTileAnimationSpeed(tile);
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break;
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default:
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info.speed = 0;
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break;
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}
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}
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/**
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* Add the given tile to the animated tile table (if it does not exist
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* on that table yet). Also increases the size of the table if necessary.
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* @param tile the tile to make animated
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*/
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void AddAnimatedTile(TileIndex tile)
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{
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MarkTileDirtyByTile(tile, VMDF_NOT_MAP_MODE);
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AnimatedTileInfo &info = _animated_tiles[tile];
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UpdateAnimatedTileSpeed(tile, info);
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info.pending_deletion = false;
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}
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int GetAnimatedTileSpeed(TileIndex tile)
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{
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const auto iter = _animated_tiles.find(tile);
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if (iter != _animated_tiles.end() && !iter->second.pending_deletion) {
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return iter->second.speed;
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}
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return -1;
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}
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/**
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* Animate all tiles in the animated tile list, i.e.\ call AnimateTile on them.
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*/
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void AnimateAnimatedTiles()
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{
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extern void AnimateTile_Town(TileIndex tile);
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extern void AnimateTile_Station(TileIndex tile);
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extern void AnimateTile_Industry(TileIndex tile);
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extern void AnimateTile_Object(TileIndex tile);
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PerformanceAccumulator framerate(PFE_GL_LANDSCAPE);
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const uint32 ticks = (uint) _scaled_tick_counter;
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const uint8 max_speed = (ticks == 0) ? 32 : FindFirstBit(ticks);
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auto iter = _animated_tiles.begin();
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while (iter != _animated_tiles.end()) {
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if (iter->second.pending_deletion) {
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iter = _animated_tiles.erase(iter);
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continue;
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}
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if (iter->second.speed <= max_speed) {
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const TileIndex curr = iter->first;
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switch (GetTileType(curr)) {
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case MP_HOUSE:
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AnimateTile_Town(curr);
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break;
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case MP_STATION:
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AnimateTile_Station(curr);
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break;
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case MP_INDUSTRY:
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AnimateTile_Industry(curr);
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break;
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case MP_OBJECT:
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AnimateTile_Object(curr);
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break;
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default:
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NOT_REACHED();
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}
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}
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++iter;
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}
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}
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void UpdateAllAnimatedTileSpeeds()
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{
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auto iter = _animated_tiles.begin();
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while (iter != _animated_tiles.end()) {
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if (iter->second.pending_deletion) {
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iter = _animated_tiles.erase(iter);
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continue;
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}
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UpdateAnimatedTileSpeed(iter->first, iter->second);
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++iter;
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}
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}
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/**
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* Initialize all animated tile variables to some known begin point
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*/
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void InitializeAnimatedTiles()
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{
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_animated_tiles.clear();
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}
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