You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
110 lines
2.6 KiB
110 lines
2.6 KiB
#include "spritemanager.h"
|
|
#include <framework/core/resourcemanager.h>
|
|
#include <framework/graphics/graphics.h>
|
|
|
|
SpriteManager g_sprites;
|
|
|
|
SpriteManager::SpriteManager()
|
|
{
|
|
m_spritesCount = 0;
|
|
m_signature = 0;
|
|
}
|
|
|
|
bool SpriteManager::load(const std::string &filename)
|
|
{
|
|
g_resources.loadFile(filename, m_fin);
|
|
m_signature = fw::getu32(m_fin);
|
|
m_spritesCount = fw::getu16(m_fin);
|
|
m_sprites.resize(m_spritesCount);
|
|
return true;
|
|
}
|
|
|
|
void SpriteManager::unload()
|
|
{
|
|
m_sprites.clear();
|
|
m_spritesCount = 0;
|
|
m_signature = 0;
|
|
}
|
|
|
|
TexturePtr SpriteManager::loadSprite(int id)
|
|
{
|
|
m_fin.seekg(((id-1) * 4) + 6, std::ios_base::beg);
|
|
|
|
uint32 spriteAddress = fw::getu32(m_fin);
|
|
|
|
// no sprite? return an empty texture
|
|
if(spriteAddress == 0)
|
|
return g_graphics.getEmptyTexture();
|
|
|
|
m_fin.seekg(spriteAddress, std::ios_base::beg);
|
|
assert(m_fin.good());
|
|
|
|
// skip color key
|
|
fw::getu8(m_fin);
|
|
fw::getu8(m_fin);
|
|
fw::getu8(m_fin);
|
|
|
|
uint16 pixelDataSize = fw::getu16(m_fin);
|
|
|
|
uchar pixels[4096];
|
|
int writePos = 0;
|
|
int read = 0;
|
|
|
|
// decompress pixels
|
|
while(read < pixelDataSize) {
|
|
uint16 transparentPixels, coloredPixels;
|
|
m_fin.read((char*)&transparentPixels, 2);
|
|
m_fin.read((char*)&coloredPixels, 2);
|
|
|
|
for(int i = 0; i < transparentPixels; i++) {
|
|
pixels[writePos + 0] = 0x00;
|
|
pixels[writePos + 1] = 0x00;
|
|
pixels[writePos + 2] = 0x00;
|
|
pixels[writePos + 3] = 0x00;
|
|
writePos += 4;
|
|
}
|
|
|
|
for(int i = 0; i < coloredPixels; i++) {
|
|
pixels[writePos + 0] = fw::getu8(m_fin);
|
|
pixels[writePos + 1] = fw::getu8(m_fin);
|
|
pixels[writePos + 2] = fw::getu8(m_fin);
|
|
pixels[writePos + 3] = 0xFF;
|
|
|
|
writePos += 4;
|
|
}
|
|
|
|
read += 4 + (3 * coloredPixels);
|
|
}
|
|
|
|
// fill remaining pixels with alpha
|
|
while(writePos < 4096) {
|
|
pixels[writePos + 0] = 0x00;
|
|
pixels[writePos + 1] = 0x00;
|
|
pixels[writePos + 2] = 0x00;
|
|
pixels[writePos + 3] = 0x00;
|
|
writePos += 4;
|
|
}
|
|
|
|
return TexturePtr(new Texture(32, 32, 4, pixels));
|
|
}
|
|
|
|
TexturePtr SpriteManager::getSpriteTexture(int id)
|
|
{
|
|
if(id == 0)
|
|
return g_graphics.getEmptyTexture();
|
|
|
|
assert(id <= m_spritesCount);
|
|
|
|
// load sprites on demand
|
|
TexturePtr texture = m_sprites[id-1];
|
|
if(!texture) {
|
|
texture = loadSprite(id);
|
|
m_sprites[id-1] = texture;
|
|
}
|
|
|
|
//TODO: release unused sprites textures after X seconds
|
|
// to avoid massive texture allocations
|
|
|
|
return texture;
|
|
}
|