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/* This file is part of the Spring engine (GPL v2 or later), see LICENSE.html */
#include "Metal.h"
#include "Map/MetalMap.h"
#include "Map/ReadMap.h"
CMetalTexture::CMetalTexture()
: CPboInfoTexture("metal")
, CEventClient("[CMetalTexture]", 271990, false)
, metalMapChanged(true)
{
eventHandler.AddClient(this);
texSize = int2(mapDims.hmapx, mapDims.hmapy);
texChannels = 1;
glGenTextures(1, &texture);
glBindTexture(GL_TEXTURE_2D, texture);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glSpringTexStorage2D(GL_TEXTURE_2D, 1, GL_R8, texSize.x, texSize.y);
}
void CMetalTexture::Update()
{
const CMetalMap* metalMap = readMap->metalMap;
const unsigned char* extraTex = metalMap->GetDistributionMap();
assert(metalMap->GetSizeX() == texSize.x && metalMap->GetSizeZ() == texSize.y);
glBindTexture(GL_TEXTURE_2D, texture);
glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, texSize.x, texSize.y, GL_RED, GL_UNSIGNED_BYTE, extraTex);
metalMapChanged = false;
}
void CMetalTexture::MetalMapChanged(const int x, const int z)
{
metalMapChanged = true;
}
bool CMetalTexture::IsUpdateNeeded()
{
return metalMapChanged;
}
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