tibia-client/src/framework/graphics/texturemanager.cpp

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/*
* Copyright (c) 2010-2013 OTClient <https://github.com/edubart/otclient>
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*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
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#include "texturemanager.h"
#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>
#include <framework/core/clock.h>
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#include <framework/core/eventdispatcher.h>
#include <framework/graphics/apngloader.h>
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TextureManager g_textures;
void TextureManager::init()
{
m_emptyTexture = TexturePtr(new Texture);
}
void TextureManager::terminate()
{
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if(m_liveReloadEvent) {
m_liveReloadEvent->cancel();
m_liveReloadEvent = nullptr;
}
m_textures.clear();
m_animatedTextures.clear();
m_emptyTexture = nullptr;
}
void TextureManager::poll()
{
// update only every 16msec, this allows upto 60 fps for animated textures
static ticks_t lastUpdate = 0;
ticks_t now = g_clock.millis();
if(now - lastUpdate < 16)
return;
lastUpdate = now;
for(const AnimatedTexturePtr& animatedTexture : m_animatedTextures)
animatedTexture->updateAnimation();
}
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void TextureManager::clearCache()
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{
m_animatedTextures.clear();
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m_textures.clear();
}
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void TextureManager::liveReload()
{
if(m_liveReloadEvent)
return;
m_liveReloadEvent = g_dispatcher.cycleEvent([this] {
for(auto& it : m_textures) {
const std::string& path = g_resources.guessFilePath(it.first, "png");
const TexturePtr& tex = it.second;
if(tex->getTime() >= g_resources.getFileTime(path))
continue;
ImagePtr image = Image::load(path);
if(!image)
continue;
tex->uploadPixels(image, tex->hasMipmaps());
tex->setTime(stdext::time());
}
}, 1000);
}
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TexturePtr TextureManager::getTexture(const std::string& fileName)
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{
TexturePtr texture;
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// before must resolve filename to full path
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()) {
texture = it->second;
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}
// texture not found, load it
if(!texture) {
try {
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std::string filePathEx = g_resources.guessFilePath(filePath, "png");
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// load texture file data
std::stringstream fin;
g_resources.readFileStream(filePathEx, fin);
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texture = loadTexture(fin);
} catch(stdext::exception& e) {
g_logger.error(stdext::format("Unable to load texture '%s': %s", fileName, e.what()));
texture = g_textures.getEmptyTexture();
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}
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if(texture) {
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texture->setTime(stdext::time());
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texture->setSmooth(true);
m_textures[filePath] = texture;
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}
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}
return texture;
}
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TexturePtr TextureManager::loadTexture(std::stringstream& file)
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{
TexturePtr texture;
apng_data apng;
if(load_apng(file, &apng) == 0) {
Size imageSize(apng.width, apng.height);
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if(apng.num_frames > 1) { // animated texture
std::vector<ImagePtr> frames;
std::vector<int> framesDelay;
for(uint i=0;i<apng.num_frames;++i) {
uchar *frameData = apng.pdata + ((apng.first_frame+i) * imageSize.area() * apng.bpp);
int frameDelay = apng.frames_delay[i];
framesDelay.push_back(frameDelay);
frames.push_back(ImagePtr(new Image(imageSize, apng.bpp, frameData)));
}
AnimatedTexturePtr animatedTexture = new AnimatedTexture(imageSize, frames, framesDelay);
m_animatedTextures.push_back(animatedTexture);
texture = animatedTexture;
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} else {
ImagePtr image = ImagePtr(new Image(imageSize, apng.bpp, apng.pdata));
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texture = TexturePtr(new Texture(image));
}
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free_apng(&apng);
}
return texture;
}