107 lines
2.9 KiB
C++
107 lines
2.9 KiB
C++
/* Copyright: (c) Kayne Ruse 2013-2015
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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.hpp"
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TileSheet& TileSheet::operator=(TileSheet const& rhs) {
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//don't screw yourself
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if (this == &rhs) {
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return *this;
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}
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Free();
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//Copy the other TileSheet's stuff
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texture = rhs.texture;
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clip = rhs.clip;
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local = false;
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countX = rhs.countX;
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countY = rhs.countY;
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}
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TileSheet& TileSheet::operator=(TileSheet&& rhs) {
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//don't screw yourself
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if (this == &rhs) {
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return *this;
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}
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Free();
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//Copy the other TileSheet's stuff
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texture = rhs.texture;
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clip = rhs.clip;
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local = false;
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countX = rhs.countX;
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countY = rhs.countY;
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rhs.texture = nullptr;
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rhs.clip = {0, 0, 0, 0};
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rhs.local = false;
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rhs.countX = 0;
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rhs.countY = 0;
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}
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void TileSheet::Load(SDL_Renderer* renderer, std::string fname, int tileWidth, int tileHeight) {
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Image::Load(renderer, fname);
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countX = clip.w / tileWidth;
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countY = clip.h / tileHeight;
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clip.w = tileWidth;
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clip.h = tileHeight;
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}
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SDL_Texture* TileSheet::SetTexture(SDL_Texture* ptr, int tileWidth, int tileHeight) {
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Image::SetTexture(ptr);
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countX = clip.w / tileWidth;
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countY = clip.h / tileHeight;
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clip.w = tileWidth;
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clip.h = tileHeight;
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}
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void TileSheet::Free() {
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Image::Free();
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countX = countY = 0;
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}
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void TileSheet::DrawLayerTo(SDL_Renderer* const renderer, Region* const region, int layer, int camX, int camY, double scaleX, double scaleY) {
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//TODO: empty
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}
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void TileSheet::DrawRegionTo(SDL_Renderer* const renderer, Region* const region, int camX, int camY, double scaleX, double scaleY) {
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//TODO: (2) make TileSheet a friend class of Region
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Region::type_t tile = 0;
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for (register int i = 0; i < REGION_WIDTH; ++i) {
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for (register int j = 0; j < REGION_HEIGHT; ++j) {
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for (register int k = 0; k < REGION_DEPTH; ++k) {
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tile = region->GetTile(i, j, k);
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//0 is invisible
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if (tile == 0) continue;
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clip.x = (tile-1) % countX * clip.h;
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clip.y = (tile-1) / countX * clip.w;
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//TODO: (2) raw rendering; improve preformance
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Image::DrawTo(renderer,
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(region->GetX() + i) * clip.w - camX,
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(region->GetY() + j) * clip.h - camY,
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scaleX, scaleY);
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}
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}
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}
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}
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