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/* This file is part of the Spring engine (GPL v2 or later), see LICENSE.html */
#include "MetalMap.h"
#include "System/SpringMath.h"
#include "System/EventHandler.h"
#include <cstring>
CR_BIND(CMetalMap, )
CR_REG_METADATA(CMetalMap,(
CR_MEMBER(metalScale),
CR_MEMBER(sizeX),
CR_MEMBER(sizeZ),
CR_IGNORED(texturePalette),
CR_MEMBER(distributionMap),
CR_MEMBER(extractionMap)
))
CMetalMap metalMap;
#ifndef NO_METALMAP
void CMetalMap::Init(const unsigned char* map, int _sizeX, int _sizeZ, float _metalScale)
{
metalScale = _metalScale;
sizeX = _sizeX;
sizeZ = _sizeZ;
extractionMap.clear();
extractionMap.resize(sizeX * sizeZ, 0.0f);
distributionMap.clear();
distributionMap.resize(sizeX * sizeZ, 0);
if (map != nullptr) {
memcpy(&distributionMap[0], map, sizeX * sizeZ);
} else {
metalScale = 1.0f;
}
for (int a = 0; a < 256; ++a) {
texturePalette[a * 3 + 0] = a;
texturePalette[a * 3 + 1] = std::min(255, a * 2 );
texturePalette[a * 3 + 2] = std::max( 0, a * 2 - 255);
}
}
float CMetalMap::GetMetalAmount(int x1, int z1, int x2, int z2) const
{
x1 = Clamp(x1, 0, sizeX - 1);
x2 = Clamp(x2, 0, sizeX - 1);
z1 = Clamp(z1, 0, sizeZ - 1);
z2 = Clamp(z2, 0, sizeZ - 1);
float metal = 0.0f;
for (int z = z1; z < z2; z++) {
for (int x = x1; x < x2; x++) {
metal += GetMetalAmount(x, z);
}
}
return metal;
}
float CMetalMap::GetMetalAmount(int x, int z) const
{
x = Clamp(x, 0, sizeX - 1);
z = Clamp(z, 0, sizeZ - 1);
return distributionMap[(z * sizeX) + x] * metalScale;
}
void CMetalMap::SetMetalAmount(int x, int z, float m)
{
x = Clamp(x, 0, sizeX - 1);
z = Clamp(z, 0, sizeZ - 1);
distributionMap[(z * sizeX) + x] = (metalScale == 0.0f) ? 0 : Clamp((int)(m / metalScale), 0, 255);
eventHandler.MetalMapChanged(x, z);
}
float CMetalMap::RequestExtraction(int x, int z, float toDepth)
{
x = Clamp(x, 0, sizeX - 1);
z = Clamp(z, 0, sizeZ - 1);
const float current = extractionMap[(z * sizeX) + x];
if (toDepth <= current)
return 0.0f;
const float available = toDepth - current;
extractionMap[(z * sizeX) + x] = toDepth;
return available;
}
void CMetalMap::RemoveExtraction(int x, int z, float depth)
{
x = Clamp(x, 0, sizeX - 1);
z = Clamp(z, 0, sizeZ - 1);
extractionMap[(z * sizeX) + x] -= depth;
}
int CMetalMap::GetMetalExtraction(int x, int z) const
{
x = Clamp(x, 0, sizeX - 1);
z = Clamp(z, 0, sizeZ - 1);
return extractionMap[(z * sizeX) + x];
}
#else
void CMetalMap::Init(const unsigned char* map, int _sizeX, int _sizeZ, float _metalScale) {}
float CMetalMap::GetMetalAmount(int x1, int z1, int x2, int z2) const { return 0.0f; }
float CMetalMap::GetMetalAmount(int x, int z) const { return 0.0f; }
void CMetalMap::SetMetalAmount(int x, int z, float m) {}
float CMetalMap::RequestExtraction(int x, int z, float toDepth) { return 0.0f; }
void CMetalMap::RemoveExtraction(int x, int z, float depth) {}
int CMetalMap::GetMetalExtraction(int x, int z) const { return 0; }
#endif
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