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89 lines
3.7 KiB
C++
89 lines
3.7 KiB
C++
#include "../../Platform/stdafx.h"
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#include "TerrainParticle.h"
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#include "../Tesselator.h"
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#include "../../../Minecraft.World/Headers/net.minecraft.world.level.tile.h"
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#include "../../../Minecraft.World/Headers/net.minecraft.world.level.h"
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#include "../../../Minecraft.World/Headers/net.minecraft.world.h"
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TerrainParticle::TerrainParticle(Level* level, double x, double y, double z,
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double xa, double ya, double za, Tile* tile,
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int face, int data, Textures* textures)
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: Particle(level, x, y, z, xa, ya, za) {
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this->tile = tile;
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this->setTex(
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textures,
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tile->getTexture(0, data)); // 4J - change brought forward from 1.8.2
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// to fix purple particles on door damage
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this->gravity = tile->gravity;
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rCol = gCol = bCol = 0.6f;
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size /= 2;
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}
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std::shared_ptr<TerrainParticle> TerrainParticle::init(
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int x, int y, int z, int data) // 4J - added data parameter
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{
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if (tile == Tile::grass)
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return std::dynamic_pointer_cast<TerrainParticle>(shared_from_this());
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int col =
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tile->getColor(level, x, y, z, data); // 4J - added data parameter
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rCol *= ((col >> 16) & 0xff) / 255.0f;
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gCol *= ((col >> 8) & 0xff) / 255.0f;
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bCol *= ((col) & 0xff) / 255.0f;
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return std::dynamic_pointer_cast<TerrainParticle>(shared_from_this());
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}
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std::shared_ptr<TerrainParticle> TerrainParticle::init(int data) {
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if (tile == Tile::grass)
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return std::dynamic_pointer_cast<TerrainParticle>(shared_from_this());
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int col = tile->getColor(data);
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rCol *= ((col >> 16) & 0xff) / 255.0f;
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gCol *= ((col >> 8) & 0xff) / 255.0f;
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bCol *= ((col) & 0xff) / 255.0f;
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return std::dynamic_pointer_cast<TerrainParticle>(shared_from_this());
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}
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int TerrainParticle::getParticleTexture() {
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return ParticleEngine::TERRAIN_TEXTURE;
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}
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void TerrainParticle::render(Tesselator* t, float a, float xa, float ya,
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float za, float xa2, float za2) {
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float u0 = (texX + uo / 4.0f) / 16.0f;
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float u1 = u0 + 0.999f / 16.0f / 4;
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float v0 = (texY + vo / 4.0f) / 16.0f;
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float v1 = v0 + 0.999f / 16.0f / 4;
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float r = 0.1f * size;
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if (tex != NULL) {
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u0 = tex->getU((uo / 4.0f) * SharedConstants::WORLD_RESOLUTION);
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u1 = tex->getU(((uo + 1) / 4.0f) * SharedConstants::WORLD_RESOLUTION);
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v0 = tex->getV((vo / 4.0f) * SharedConstants::WORLD_RESOLUTION);
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v1 = tex->getV(((vo + 1) / 4.0f) * SharedConstants::WORLD_RESOLUTION);
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}
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float x = (float)(xo + (this->x - xo) * a - xOff);
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float y = (float)(yo + (this->y - yo) * a - yOff);
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float z = (float)(zo + (this->z - zo) * a - zOff);
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// 4J - don't render terrain particles that are less than a metre away, to
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// try and avoid large particles that are causing us problems with
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// photosensitivity testing
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float distSq = (x * x + y * y + z * z);
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if (distSq < 1.0f) return;
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float br =
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SharedConstants::TEXTURE_LIGHTING
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? 1.0f
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: getBrightness(a); // 4J - change brought forward from 1.8.2
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t->color(br * rCol, br * gCol, br * bCol);
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t->vertexUV((float)(x - xa * r - xa2 * r), (float)(y - ya * r),
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(float)(z - za * r - za2 * r), (float)(u0), (float)(v1));
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t->vertexUV((float)(x - xa * r + xa2 * r), (float)(y + ya * r),
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(float)(z - za * r + za2 * r), (float)(u0), (float)(v0));
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t->vertexUV((float)(x + xa * r + xa2 * r), (float)(y + ya * r),
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(float)(z + za * r + za2 * r), (float)(u1), (float)(v0));
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t->vertexUV((float)(x + xa * r - xa2 * r), (float)(y - ya * r),
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(float)(z + za * r - za2 * r), (float)(u1), (float)(v1));
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}
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