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refactor: configure classic panorama at compile-time

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Tropical
2026-03-29 15:41:46 -05:00
parent ca276943f2
commit ad67f4be71
7 changed files with 188 additions and 200 deletions
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353
Minecraft.Client/UI/Screens/TitleScreen.cpp
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@@ -164,204 +164,203 @@ void TitleScreen::buttonClicked(Button* button) {
// method
void TitleScreen::renderPanorama(float a) {
#ifdef ENABLE_JAVA_GUIS
Tesselator* t = Tesselator::getInstance();
if (minecraft->options->classicPanorama) {
glMatrixMode(GL_PROJECTION);
glPushMatrix();
glLoadIdentity();
gluPerspective(120.0f, 1.0f, 0.05f, 10.0f);
glMatrixMode(GL_MODELVIEW);
glPushMatrix();
glLoadIdentity();
glColor4f(1.0f, 1.0f, 1.0f, 1.0f);
glRotatef(180.0f, 1.0f, 0.0f, 0.0f);
glEnable(GL_BLEND);
glDisable(GL_ALPHA_TEST);
glDisable(GL_CULL_FACE);
glDepthMask(false);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
char offsetPasses = 8;
#ifdef CLASSIC_PANORAMA
glMatrixMode(GL_PROJECTION);
glPushMatrix();
glLoadIdentity();
gluPerspective(120.0f, 1.0f, 0.05f, 10.0f);
glMatrixMode(GL_MODELVIEW);
glPushMatrix();
glLoadIdentity();
glColor4f(1.0f, 1.0f, 1.0f, 1.0f);
glRotatef(180.0f, 1.0f, 0.0f, 0.0f);
glEnable(GL_BLEND);
glDisable(GL_ALPHA_TEST);
glDisable(GL_CULL_FACE);
glDepthMask(false);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
char offsetPasses = 8;
for (int i = 0; i < (offsetPasses * offsetPasses); i++) {
for (int i = 0; i < (offsetPasses * offsetPasses); i++) {
glPushMatrix();
float x =
((float)(i % offsetPasses) / (float)offsetPasses - 0.5f) / 64.0f;
float y =
((float)(i / offsetPasses) / (float)offsetPasses - 0.5f) / 64.0f;
float z = 0.0f;
glTranslatef(x, y, z);
glRotatef(sin((vo + a) / 400.0f) * 25.0f + 20.0f, 1.0f, 0.0f, 0.0f);
glRotatef(-(vo + a) * 0.1f, 0.0f, 1.0f, 0.0f);
for (int j = 0; j < 6; j++) {
glPushMatrix();
float x = ((float)(i % offsetPasses) / (float)offsetPasses - 0.5f) /
64.0f;
float y = ((float)(i / offsetPasses) / (float)offsetPasses - 0.5f) /
64.0f;
float z = 0.0f;
glTranslatef(x, y, z);
glRotatef(sin((vo + a) / 400.0f) * 25.0f + 20.0f, 1.0f, 0.0f, 0.0f);
glRotatef(-(vo + a) * 0.1f, 0.0f, 1.0f, 0.0f);
for (int j = 0; j < 6; j++) {
glPushMatrix();
switch (j) {
case 1:
glRotatef(90.0f, 0.0f, 1.0f, 0.0f);
break;
case 2:
glRotatef(180.0f, 0.0f, 1.0f, 0.0f);
break;
case 3:
glRotatef(-90.0f, 0.0f, 1.0f, 0.0f);
break;
case 4:
glRotatef(90.0f, 1.0f, 0.0f, 0.0f);
break;
case 5:
glRotatef(-90.0f, 1.0f, 0.0f, 0.0f);
break;
default:
break;
}
glBindTexture(GL_TEXTURE_2D, minecraft->textures->loadTexture(
TN_TITLE_BG_PANORAMA0 + j));
t->begin();
t->color(16777215, 255 / (i + 1));
t->vertexUV(-1.0f, -1.0f, 1.0f, 0.0f, 0.0f);
t->vertexUV(1.0f, -1.0f, 1.0f, 1.0f, 0.0f);
t->vertexUV(1.0f, 1.0f, 1.0f, 1.0f, 1.0f);
t->vertexUV(-1.0f, 1.0f, 1.0f, 0.0f, 1.0f);
t->end();
glPopMatrix();
switch (j) {
case 1:
glRotatef(90.0f, 0.0f, 1.0f, 0.0f);
break;
case 2:
glRotatef(180.0f, 0.0f, 1.0f, 0.0f);
break;
case 3:
glRotatef(-90.0f, 0.0f, 1.0f, 0.0f);
break;
case 4:
glRotatef(90.0f, 1.0f, 0.0f, 0.0f);
break;
case 5:
glRotatef(-90.0f, 1.0f, 0.0f, 0.0f);
break;
default:
break;
}
glBindTexture(GL_TEXTURE_2D, minecraft->textures->loadTexture(
TN_TITLE_BG_PANORAMA0 + j));
t->begin();
t->color(16777215, 255 / (i + 1));
t->vertexUV(-1.0f, -1.0f, 1.0f, 0.0f, 0.0f);
t->vertexUV(1.0f, -1.0f, 1.0f, 1.0f, 0.0f);
t->vertexUV(1.0f, 1.0f, 1.0f, 1.0f, 1.0f);
t->vertexUV(-1.0f, 1.0f, 1.0f, 0.0f, 1.0f);
t->end();
glPopMatrix();
glColorMask(true, true, true, false);
}
t->offset(0.0f, 0.0f, 0.0f);
glColorMask(true, true, true, true);
glMatrixMode(GL_PROJECTION);
glPopMatrix();
glMatrixMode(GL_MODELVIEW);
glPopMatrix();
glDepthMask(true);
glEnable(GL_CULL_FACE);
glEnable(GL_ALPHA_TEST);
glEnable(GL_DEPTH_TEST);
} else {
glMatrixMode(GL_PROJECTION);
glPushMatrix();
glLoadIdentity();
glOrtho(0, width, height, 0, 1000, 3000);
glMatrixMode(GL_MODELVIEW);
glPushMatrix();
glLoadIdentity();
glTranslatef(0, 0, -2000);
glDisable(GL_LIGHTING);
glDisable(GL_FOG);
glEnable(GL_TEXTURE_2D);
glDisable(GL_ALPHA_TEST);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glDepthMask(false);
glBindTexture(GL_TEXTURE_2D,
minecraft->textures->loadTexture(TN_TITLE_BG_PANORAMA));
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
float off = vo * 0.0004f;
float screenAspect = (float)width / (float)height;
float texAspect = 1748.0f / 144.0f;
float scale;
if (screenAspect > texAspect) {
scale = (float)width / 1748.0f;
} else {
scale = (float)height / 144.0f;
}
float texWidth = 1748.0f * scale;
float texHeight = 144.0f * scale;
float yOff = (height - texHeight) / 2.0f;
float uMax = off + (texWidth / 1748.0f);
t->begin(GL_QUADS);
t->color(0xffffff, 255);
t->vertexUV(0, yOff + texHeight, 0, off, 1.0f);
t->vertexUV(texWidth, yOff + texHeight, 0, uMax, 1.0f);
t->vertexUV(texWidth, yOff, 0, uMax, 0.0f);
t->vertexUV(0, yOff, 0, off, 0.0f);
t->end();
glDepthMask(true);
glDisable(GL_BLEND);
glEnable(GL_ALPHA_TEST);
glMatrixMode(GL_PROJECTION);
glPopMatrix();
glMatrixMode(GL_MODELVIEW);
glPopMatrix();
glColorMask(true, true, true, false);
}
t->offset(0.0f, 0.0f, 0.0f);
glColorMask(true, true, true, true);
glMatrixMode(GL_PROJECTION);
glPopMatrix();
glMatrixMode(GL_MODELVIEW);
glPopMatrix();
glDepthMask(true);
glEnable(GL_CULL_FACE);
glEnable(GL_ALPHA_TEST);
glEnable(GL_DEPTH_TEST);
#else
glMatrixMode(GL_PROJECTION);
glPushMatrix();
glLoadIdentity();
glOrtho(0, width, height, 0, 1000, 3000);
glMatrixMode(GL_MODELVIEW);
glPushMatrix();
glLoadIdentity();
glTranslatef(0, 0, -2000);
glDisable(GL_LIGHTING);
glDisable(GL_FOG);
glEnable(GL_TEXTURE_2D);
glDisable(GL_ALPHA_TEST);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glDepthMask(false);
glBindTexture(GL_TEXTURE_2D,
minecraft->textures->loadTexture(TN_TITLE_BG_PANORAMA));
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
float off = vo * 0.0004f;
float screenAspect = (float)width / (float)height;
float texAspect = 1748.0f / 144.0f;
float scale;
if (screenAspect > texAspect) {
scale = (float)width / 1748.0f;
} else {
scale = (float)height / 144.0f;
}
float texWidth = 1748.0f * scale;
float texHeight = 144.0f * scale;
float yOff = (height - texHeight) / 2.0f;
float uMax = off + (texWidth / 1748.0f);
t->begin(GL_QUADS);
t->color(0xffffff, 255);
t->vertexUV(0, yOff + texHeight, 0, off, 1.0f);
t->vertexUV(texWidth, yOff + texHeight, 0, uMax, 1.0f);
t->vertexUV(texWidth, yOff, 0, uMax, 0.0f);
t->vertexUV(0, yOff, 0, off, 0.0f);
t->end();
glDepthMask(true);
glDisable(GL_BLEND);
glEnable(GL_ALPHA_TEST);
glMatrixMode(GL_PROJECTION);
glPopMatrix();
glMatrixMode(GL_MODELVIEW);
glPopMatrix();
#endif
#endif
}
// 4jcraft
void TitleScreen::renderSkybox(float a) {
#ifdef ENABLE_JAVA_GUIS
if (minecraft->options->classicPanorama) {
glViewport(0, 0, 256, 256);
}
#ifdef CLASSIC_PANORAMA
glViewport(0, 0, 256, 256);
#endif
renderPanorama(a);
if (minecraft->options->classicPanorama) {
glDisable(GL_TEXTURE_2D);
glEnable(GL_TEXTURE_2D);
#ifdef CLASSIC_PANORAMA
glDisable(GL_TEXTURE_2D);
glEnable(GL_TEXTURE_2D);
for (int i = 0; i < 8; i++) {
rotateAndBlur(a);
}
glViewport(0, 0, minecraft->width, minecraft->height);
Tesselator* t = Tesselator::getInstance();
t->begin();
float aspect =
width > height ? 120.0f / (float)width : 120.0f / (float)height;
float sWidth = (float)height * aspect / 256.0f;
float sHeight = (float)width * aspect / 256.0f;
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
t->color(1.0f, 1.0f, 1.0f, 1.0f);
t->vertexUV(0.0f, height, 0.0f, (0.5f - sWidth), (0.5f + sHeight));
t->vertexUV(width, height, 0.0f, (0.5f - sWidth), (0.5f - sHeight));
t->vertexUV(width, 0.0f, 0.0f, (0.5f + sWidth), (0.5f - sHeight));
t->vertexUV(0.0f, 0.0f, 0.0f, (0.5f + sWidth), (0.5f + sHeight));
t->end();
for (int i = 0; i < 8; i++) {
rotateAndBlur(a);
}
glViewport(0, 0, minecraft->width, minecraft->height);
Tesselator* t = Tesselator::getInstance();
t->begin();
float aspect =
width > height ? 120.0f / (float)width : 120.0f / (float)height;
float sWidth = (float)height * aspect / 256.0f;
float sHeight = (float)width * aspect / 256.0f;
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
t->color(1.0f, 1.0f, 1.0f, 1.0f);
t->vertexUV(0.0f, height, 0.0f, (0.5f - sWidth), (0.5f + sHeight));
t->vertexUV(width, height, 0.0f, (0.5f - sWidth), (0.5f - sHeight));
t->vertexUV(width, 0.0f, 0.0f, (0.5f + sWidth), (0.5f - sHeight));
t->vertexUV(0.0f, 0.0f, 0.0f, (0.5f + sWidth), (0.5f + sHeight));
t->end();
#endif
#endif
}
// 4jcraft
void TitleScreen::rotateAndBlur(float a) {
#ifdef ENABLE_JAVA_GUIS
if (minecraft->options->classicPanorama) {
glBindTexture(GL_TEXTURE_2D, viewportTexture);
glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 0, 0, 256, 256);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glColorMask(true, true, true, false);
Tesselator* t = Tesselator::getInstance();
t->begin();
char blurPasses = 3;
#if defined(ENABLE_JAVA_GUIS) && defined(CLASSIC_PANORAMA)
glBindTexture(GL_TEXTURE_2D, viewportTexture);
glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 0, 0, 256, 256);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glColorMask(true, true, true, false);
Tesselator* t = Tesselator::getInstance();
t->begin();
char blurPasses = 3;
for (int i = 0; i < blurPasses; i++) {
t->color(1.0f, 1.0f, 1.0f, 1.0f / (float)(i + 1));
float offset = (float)(i - blurPasses / 2) / 256.0f;
t->vertexUV(width, height, 0.0f, (0.0f + offset), 0.0f);
t->vertexUV(width, 0.0f, 0.0f, (1.0f + offset), 0.0f);
t->vertexUV(0.0f, 0.0f, 0.0f, (1.0f + offset), 1.0f);
t->vertexUV(0.0f, height, 0.0f, (0.0f + offset), 1.0f);
}
t->end();
glColorMask(true, true, true, true);
for (int i = 0; i < blurPasses; i++) {
t->color(1.0f, 1.0f, 1.0f, 1.0f / (float)(i + 1));
float offset = (float)(i - blurPasses / 2) / 256.0f;
t->vertexUV(width, height, 0.0f, (0.0f + offset), 0.0f);
t->vertexUV(width, 0.0f, 0.0f, (1.0f + offset), 0.0f);
t->vertexUV(0.0f, 0.0f, 0.0f, (1.0f + offset), 1.0f);
t->vertexUV(0.0f, height, 0.0f, (0.0f + offset), 1.0f);
}
t->end();
glColorMask(true, true, true, true);
#endif
}
@@ -377,10 +376,10 @@ void TitleScreen::render(int xm, int ym, float a) {
int logoY = 30;
// 4jcraft: gradient for classic panorama
if (minecraft->options->classicPanorama) {
fillGradient(0, 0, width, height, -2130706433, 16777215);
fillGradient(0, 0, width, height, 0, INT_MIN);
}
#ifdef CLASSIC_PANORAMA
fillGradient(0, 0, width, height, -2130706433, 16777215);
fillGradient(0, 0, width, height, 0, INT_MIN);
#endif
glBindTexture(GL_TEXTURE_2D,
minecraft->textures->loadTexture(TN_TITLE_MCLOGO));