Kayne Ruse
74 lines
2.2 KiB
C++
74 lines
2.2 KiB
C++
/* Copyright: (c) Kayne Ruse 2013
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*
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* This software is provided 'as-is', without any express or implied
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* warranty. In no event will the authors be held liable for any damages
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* arising from the use of this software.
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*
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* Permission is granted to anyone to use this software for any purpose,
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* including commercial applications, and to alter it and redistribute it
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* freely, subject to the following restrictions:
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*
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* 1. The origin of this software must not be misrepresented; you must not
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* claim that you wrote the original software. If you use this software
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* in a product, an acknowledgment in the product documentation would be
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* appreciated but is not required.
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*
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* 2. Altered source versions must be plainly marked as such, and must not be
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* misrepresented as being the original software.
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*
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* 3. This notice may not be removed or altered from any source
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* distribution.
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*/
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#include "tile_sheet_manager.hpp"
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#include "utility.hpp"
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#include <stdexcept>
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TileSheet* TileSheetManager::LoadSheet(std::string fname, Uint16 w, Uint16 h) {
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//get the key
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std::string key = truncatePath(fname);
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//don't override what's already here
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if (sheetMap.find(key) != sheetMap.end()) {
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throw(std::runtime_error("Cannot load duplicate tile sheets"));
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}
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//load & setup the sheet object
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sheetMap[key].Load(fname, w, h);
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sheetMap[key].SetBegin(rangeEnd);
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rangeEnd += sheetMap[key].GetTotalCount();
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sheetMap[key].SetEnd(rangeEnd);
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//you can modify the object, say, during the save & load routines...
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return &sheetMap[key];
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}
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TileSheet* TileSheetManager::GetSheet(std::string name) {
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return &sheetMap.at(name);
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}
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TileSheet* TileSheetManager::GetSheetByIndex(int tileIndex) {
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for (auto& it : sheetMap) {
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if (it.second.InRange(tileIndex)) {
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return &it.second;
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}
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}
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return nullptr;
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}
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void TileSheetManager::UnloadSheet(std::string name) {
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sheetMap.erase(name);
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}
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void TileSheetManager::DrawTo(SDL_Surface* const dest, int x, int y, int tileIndex) {
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for (auto& it : sheetMap) {
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if (it.second.InRange(tileIndex)) {
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it.second.DrawTo(dest, x, y, tileIndex);
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return;
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}
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}
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//No matching tile index
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throw(std::invalid_argument("Tile index is out of range of all tile sheets"));
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}
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