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-rw-r--r--res/raw/clouds.rs316
1 files changed, 316 insertions, 0 deletions
diff --git a/res/raw/clouds.rs b/res/raw/clouds.rs
new file mode 100644
index 0000000..a6ab846
--- /dev/null
+++ b/res/raw/clouds.rs
@@ -0,0 +1,316 @@
+// Copyright (C) 2009 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#pragma version(1)
+#pragma stateVertex(PVBackground)
+#pragma stateRaster(parent)
+#pragma stateFragment(PFBackground)
+
+#define RSID_NOISESRC1 1
+#define RSID_NOISESRC2 2
+#define RSID_NOISESRC3 3
+#define RSID_NOISESRC4 4
+#define RSID_NOISESRC5 5
+#define RSID_NOISEDST1 6
+#define RSID_NOISEDST2 7
+#define RSID_NOISEDST3 8
+#define RSID_NOISEDST4 9
+#define RSID_NOISEDST5 10
+
+float xshift[5];
+float rotation[5];
+float scale[5];
+float alphafactor;
+int currentpreset;
+int lastuptime;
+float timedelta;
+
+void drawCloud(float *ident, int id, int idx) {
+ float mat1[16];
+ float z = -8.f * idx;
+ matrixLoadMat(mat1,ident);
+ matrixTranslate(mat1, -State->mXOffset * 8.f * idx, -State->mTilt * idx / 3.f, 0.f);
+ matrixRotate(mat1, rotation[idx], 0.f, 0.f, 1.f);
+ vpLoadModelMatrix(mat1);
+
+ bindTexture(NAMED_PFBackground, 0, id);
+ drawQuadTexCoords(
+ -1200.0f, -1200.0f, z, // space
+ 0.f + xshift[idx], 0.f, // texture
+ 1200, -1200.0f, z, // space
+ scale[idx] + xshift[idx], 0.f, // texture
+ 1200, 1200.0f, z, // space
+ scale[idx] + xshift[idx], scale[idx], // texture
+ -1200.0f, 1200.0f, z, // space
+ 0.f + xshift[idx], scale[idx]); // texture
+}
+
+void drawClouds(float* ident) {
+
+ int i;
+
+ float mat1[16];
+
+ matrixLoadMat(mat1,ident);
+
+ if (State->mRotate != 0) {
+ rotation[0] += 0.10 * timedelta;
+ rotation[1] += 0.102f * timedelta;
+ rotation[2] += 0.106f * timedelta;
+ rotation[3] += 0.114f * timedelta;
+ rotation[4] += 0.123f * timedelta;
+ }
+
+ int mask = State->mTextureMask;
+ if (mask & 1) {
+ xshift[0] += 0.0010f * timedelta;
+ if (State->mTextureSwap != 0) {
+ drawCloud(mat1, NAMED_Tnoise5, 0);
+ } else {
+ drawCloud(mat1, NAMED_Tnoise1, 0);
+ }
+ }
+
+ if (mask & 2) {
+ xshift[1] += 0.00106 * timedelta;
+ drawCloud(mat1, NAMED_Tnoise2, 1);
+ }
+
+ if (mask & 4) {
+ xshift[2] += 0.00114f * timedelta;
+ drawCloud(mat1, NAMED_Tnoise3, 2);
+ }
+
+ if (mask & 8) {
+ xshift[3] += 0.00118f * timedelta;
+ drawCloud(mat1, NAMED_Tnoise4, 3);
+ }
+
+ if (mask & 16) {
+ xshift[4] += 0.00127f * timedelta;
+ drawCloud(mat1, NAMED_Tnoise5, 4);
+ }
+
+ // Make sure the texture coordinates don't continuously increase
+ for(i = 0; i < 5; i++) {
+ while (xshift[i] >= 1.f) {
+ xshift[i] -= 1.f;
+ }
+ }
+ // Make sure the rotation angles don't continuously increase
+ for(i = 0; i < 5; i++) {
+ while (rotation[i] >= 360.f) {
+ rotation[i] -= 360.f;
+ }
+ }
+}
+
+int premul(int rgb, int a) {
+ int r = (rgb >> 16) * a + 1;
+ r = (r + (r >> 8)) >> 8;
+ int g = ((rgb >> 8) & 0xff) * a + 1;
+ g = (g + (g >> 8)) >> 8;
+ int b = (rgb & 0xff) * a + 1;
+ b = (b + (b >> 8)) >> 8;
+ return r << 16 | g << 8 | b;
+}
+
+void makeTexture(int *src, int *dst, int rsid) {
+
+ int x;
+ int y;
+ int pm = State->mPreMul;
+
+ if (State->mProcessTextureMode == 1) {
+ int lowcol = State->mLowCol;
+ int highcol = State->mHighCol;
+
+ for (y=0;y<256;y++) {
+ for (x=0;x<256;x++) {
+ int pix = src[y*256+x];
+ int lum = pix & 0x00ff;
+ int newpix;
+ if (lum < 128) {
+ newpix = lowcol;
+ int newalpha = 255 - (lum * 2);
+ newalpha /= alphafactor;
+ if (pm) newpix = premul(newpix, newalpha);
+ newpix = newpix | (newalpha << 24);
+ } else {
+ newpix = highcol;
+ int newalpha = (lum - 128) * 2;
+ newalpha /= alphafactor;
+ if (pm) newpix = premul(newpix, newalpha);
+ newpix = newpix | (newalpha << 24);
+ }
+ // have ARGB, need ABGR
+ newpix = (newpix & 0xff00ff00) | ((newpix & 0xff) << 16) | ((newpix >> 16) & 0xff);
+ dst[y*256+x] = newpix;
+ }
+ }
+ alphafactor *= State->mAlphaMul;
+ } else if (State->mProcessTextureMode == 2) {
+ int lowcol = State->mLowCol;
+ int highcol = State->mHighCol;
+ float scale = 255.f / (255.f - lowcol);
+
+ for (y=0;y<256;y++) {
+ for (x=0;x<256;x++) {
+ int pix = src[y*256+x];
+ int alpha = pix & 0x00ff;
+ if (alpha < lowcol) {
+ alpha = 0;
+ } else {
+ alpha = (alpha - lowcol) * scale;
+ }
+ alpha /= alphafactor;
+ int newpix = highcol;
+ if (pm) newpix = premul(newpix, alpha);
+ newpix = newpix | (alpha << 24);
+ // have ARGB, need ABGR
+ newpix = (newpix & 0xff00ff00) | ((newpix & 0xff) << 16) | ((newpix >> 16) & 0xff);
+ dst[y*256+x] = newpix;
+ }
+ }
+ alphafactor *= State->mAlphaMul;
+ } else if (State->mProcessTextureMode == 3) {
+ int lowcol = State->mLowCol;
+ int highcol = State->mHighCol;
+ float scale = 255.f / (255.f - lowcol);
+
+ for (y=0;y<256;y++) {
+ for (x=0;x<256;x++) {
+ int pix = src[y*256+x];
+ int lum = pix & 0x00ff;
+ int newpix;
+ if (lum < 128) lum *= 2;
+ else lum = (255 - (lum - 128) * 2);
+ if (lum < 128) {
+ newpix = lowcol;
+ int newalpha = 255 - (lum * 2);
+ newalpha /= alphafactor;
+ if (pm) newpix = premul(newpix, newalpha);
+ newpix = newpix | (newalpha << 24);
+ } else {
+ newpix = highcol;
+ int newalpha = (lum - 128) * 2;
+ newalpha /= alphafactor;
+ if (pm) newpix = premul(newpix, newalpha);
+ newpix = newpix | (newalpha << 24);
+ }
+ // have ARGB, need ABGR
+ newpix = (newpix & 0xff00ff00) | ((newpix & 0xff) << 16) | ((newpix >> 16) & 0xff);
+ dst[y*256+x] = newpix;
+ }
+ }
+ alphafactor *= State->mAlphaMul;
+ } else {
+
+ for (y=0;y<256;y++) {
+ for (x=0;x<256;x++) {
+ int rgb = *src++;
+ int a = (rgb >> 24) & 0xff;
+ rgb &= 0x00ffffff;
+ rgb = premul(rgb, a);
+ int newpix = (a << 24) | rgb;
+ newpix = (newpix & 0xff00ff00) | ((newpix & 0xff) << 16) | ((newpix >> 16) & 0xff);
+ *dst++ = newpix;
+ }
+ }
+ }
+ uploadToTexture(rsid, 0);
+}
+
+void makeTextures() {
+ debugI32("makeTextures", State->mPreset);
+ alphafactor = 1.f;
+ makeTexture((int*)noisesrc1, (int*)noisedst1, NAMED_Tnoise1);
+ makeTexture((int*)noisesrc2, (int*)noisedst2, NAMED_Tnoise2);
+ makeTexture((int*)noisesrc3, (int*)noisedst3, NAMED_Tnoise3);
+ makeTexture((int*)noisesrc4, (int*)noisedst4, NAMED_Tnoise4);
+ makeTexture((int*)noisesrc5, (int*)noisedst5, NAMED_Tnoise5);
+}
+
+
+
+struct color {
+ float r;
+ float g;
+ float b;
+};
+
+void init() {
+ int i;
+ for (i=0;i<4;i++) {
+ xshift[i] = 0.f;
+ rotation[i] = 360.f * i / 5.f;
+ }
+ scale[0] = 4.0f; // changed below based on preset
+ scale[1] = 3.0f;
+ scale[2] = 3.4f;
+ scale[3] = 3.8f;
+ scale[4] = 4.2f;
+
+ currentpreset = -1;
+ lastuptime = uptimeMillis();
+ timedelta = 0;
+}
+
+
+int main(int launchID) {
+
+ int i;
+ float ident[16];
+ float masterscale = 0.0041f;// / (State->mXOffset * 4.f + 1.f);
+ matrixLoadIdentity(ident);
+ matrixTranslate(ident, -State->mXOffset, 0.f, 0.f);
+ matrixScale(ident, masterscale, masterscale, masterscale);
+ //matrixRotate(ident, 0.f, 0.f, 0.f, 1.f);
+ matrixRotate(ident, -State->mTilt, 1.f, 0.f, 0.f);
+
+ if (State->mBlendFunc) {
+ bindProgramStore(NAMED_PFSBackgroundOne);
+ } else {
+ bindProgramStore(NAMED_PFSBackgroundSrc);
+ }
+
+ int now = uptimeMillis();
+ timedelta = ((float)(now - lastuptime)) / 44.f;
+ lastuptime = now;
+ if (timedelta > 100) {
+ // If we didn't render anything for several seconds, just pretend time stopped.
+ timedelta = 1;
+ }
+
+ i = State->mPreset;
+ if (i != currentpreset) {
+ currentpreset = i;
+ int rgb = State->mBackCol;
+ pfClearColor(
+ ((float)((rgb >> 16) & 0xff)) / 255.0f,
+ ((float)((rgb >> 8) & 0xff)) / 255.0f,
+ ((float)(rgb & 0xff)) / 255.0f,
+ 1.0f);
+ makeTextures();
+ }
+
+ if (State->mTextureSwap != 0) {
+ scale[0] = .25f;
+ } else {
+ scale[0] = 4.f;
+ }
+ drawClouds(ident);
+
+ return 55;
+}
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