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* Add clouds! (optional feature)

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This commit is contained in:
iProgramInCpp
2023-08-13 20:38:52 +03:00
parent 206bc5cce0
commit 2da5c2e2fe
11 changed files with 148 additions and 11 deletions
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62
source/client/renderer/LevelRenderer.cpp
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@@ -44,7 +44,7 @@ LevelRenderer::LevelRenderer(Minecraft* pMC, Textures* pTexs)
field_B0 = 0;
field_B8 = false;
field_BC = -1;
field_C0 = 0;
m_ticksSinceStart = 0;
m_nBuffers = 26136;
m_pMinecraft = pMC;
@@ -583,7 +583,7 @@ void LevelRenderer::render(Mob* pMob, int a, float b)
float y6 = pChunk->distanceToSqr(pMob);
int y7 = int(Mth::sqrt(y6) / 128.0f + 1.0f);
if (field_C0 % y7 != y3 % y7)
if (m_ticksSinceStart % y7 != y3 % y7)
goto label_26;
float fXdiff, fYdiff, fZdiff;
@@ -693,7 +693,7 @@ void LevelRenderer::setTilesDirty(int x1, int y1, int z1, int x2, int y2, int z2
void LevelRenderer::tick()
{
field_C0++;
m_ticksSinceStart++;
}
/*
@@ -1194,6 +1194,62 @@ void LevelRenderer::renderSky(float f)
glDepthMask(true);
}
bool g_bAreCloudsAvailable = false; // false because 0.1 didn't have them
void LevelRenderer::renderClouds(float f)
{
if (!g_bAreCloudsAvailable)
return;
glEnable(GL_TEXTURE_2D);
glDisable(GL_CULL_FACE);
float yPos = Lerp(m_pMinecraft->m_pMobPersp->field_98.y, m_pMinecraft->m_pMobPersp->m_pos.y, f); // not certain if this old pos Y is used
m_pTextures->loadAndBindTexture("environment/clouds.png");
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
Vec3 cloudColor = m_pLevel->getCloudColor(f);
float offX = Lerp(m_pMinecraft->m_pMobPersp->field_3C.x, m_pMinecraft->m_pMobPersp->m_pos.x, f) + (float(m_ticksSinceStart) + f) * 0.3f;
float offZ = Lerp(m_pMinecraft->m_pMobPersp->field_3C.z, m_pMinecraft->m_pMobPersp->m_pos.z, f);
int dx2048 = Mth::floor(offX / 2048.0f);
int dz2048 = Mth::floor(offZ / 2048.0f);
offX -= float(dx2048 * 2048);
offZ -= float(dz2048 * 2048);
Tesselator& t = Tesselator::instance;
float fYPos = (128.0f - yPos) + 0.33f;
offX /= 2048.0f;
offZ /= 2048.0f;
t.begin();
t.color(cloudColor.x, cloudColor.y, cloudColor.z, 0.8f);
const int incr = 32;
const int in2 = 256 / incr;
for (int x = -incr * in2; x < incr * in2; x += incr)
{
for (int z = -incr * in2; z < incr * in2; z += incr)
{
t.vertexUV(float(x) + 0.0f, fYPos, float(z) + incr, float(x + 0.0f) / 2048.0f + offX, float(z + incr) / 2048.0f + offZ);
t.vertexUV(float(x) + incr, fYPos, float(z) + incr, float(x + incr) / 2048.0f + offX, float(z + incr) / 2048.0f + offZ);
t.vertexUV(float(x) + incr, fYPos, float(z) + 0.0f, float(x + incr) / 2048.0f + offX, float(z + 0.0f) / 2048.0f + offZ);
t.vertexUV(float(x) + 0.0f, fYPos, float(z) + 0.0f, float(x + 0.0f) / 2048.0f + offX, float(z + 0.0f) / 2048.0f + offZ);
}
}
t.voidBeginAndEndCalls(false); // why??
t.draw();
glColor4f(1.0f, 1.0f, 1.0f, 1.0f);
glDisable(GL_BLEND);
glEnable(GL_CULL_FACE);
}
void LevelRenderer::skyColorChanged()
{
for (int i = 0; i < m_chunksLength; i++)