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130 lines
4.1 KiB
130 lines
4.1 KiB
/*
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* Copyright (c) 2010-2013 OTClient <https://github.com/edubart/otclient>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* 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, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "texturemanager.h"
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#include "animatedtexture.h"
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#include "graphics.h"
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#include "image.h"
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#include <framework/core/resourcemanager.h>
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#include <framework/core/clock.h>
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#include <framework/graphics/apngloader.h>
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TextureManager g_textures;
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void TextureManager::init()
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{
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m_emptyTexture = TexturePtr(new Texture);
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}
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void TextureManager::terminate()
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{
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m_textures.clear();
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m_animatedTextures.clear();
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m_emptyTexture = nullptr;
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}
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void TextureManager::poll()
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{
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// update only every 16msec, this allows upto 60 fps for animated textures
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static ticks_t lastUpdate = 0;
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ticks_t now = g_clock.millis();
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if(now - lastUpdate < 16)
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return;
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lastUpdate = now;
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for(const AnimatedTexturePtr& animatedTexture : m_animatedTextures)
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animatedTexture->updateAnimation();
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}
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void TextureManager::clearTexturesCache()
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{
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m_animatedTextures.clear();
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m_textures.clear();
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}
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TexturePtr TextureManager::getTexture(const std::string& fileName)
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{
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TexturePtr texture;
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// before must resolve filename to full path
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std::string filePath = g_resources.resolvePath(fileName);
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// check if the texture is already loaded
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auto it = m_textures.find(filePath);
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if(it != m_textures.end()) {
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texture = it->second;
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}
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// texture not found, load it
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if(!texture) {
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try {
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std::string filePathEx = g_resources.guessFilePath(filePath, "png");
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// load texture file data
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std::stringstream fin;
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g_resources.readFileStream(filePathEx, fin);
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texture = loadPNG(fin);
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} catch(stdext::exception& e) {
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g_logger.error(stdext::format("Unable to load texture '%s': %s", fileName, e.what()));
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texture = g_textures.getEmptyTexture();
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}
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if(texture) {
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texture->setSmooth(true);
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m_textures[filePath] = texture;
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}
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}
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return texture;
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}
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TexturePtr TextureManager::loadPNG(std::stringstream& file)
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{
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TexturePtr texture;
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apng_data apng;
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if(load_apng(file, &apng) == 0) {
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Size imageSize(apng.width, apng.height);
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if(apng.num_frames > 1) { // animated texture
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std::vector<ImagePtr> frames;
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std::vector<int> framesDelay;
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for(uint i=0;i<apng.num_frames;++i) {
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uchar *frameData = apng.pdata + ((apng.first_frame+i) * imageSize.area() * apng.bpp);
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int frameDelay = apng.frames_delay[i];
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framesDelay.push_back(frameDelay);
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frames.push_back(ImagePtr(new Image(imageSize, apng.bpp, frameData)));
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}
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AnimatedTexturePtr animatedTexture = new AnimatedTexture(imageSize, frames, framesDelay);
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m_animatedTextures.push_back(animatedTexture);
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texture = animatedTexture;
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} else {
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ImagePtr image = ImagePtr(new Image(imageSize, apng.bpp, apng.pdata));
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texture = TexturePtr(new Texture(image));
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}
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free_apng(&apng);
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}
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return texture;
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}
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