111 lines
2.9 KiB
C
111 lines
2.9 KiB
C
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// Fountain test script
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#pragma version(1)
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#pragma stateVertex(orthoWindow)
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#pragma stateRaster(flat)
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#pragma stateFragment(PgmFragBackground)
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#pragma stateStore(MyBlend)
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int main(void* con, int ft, int launchID) {
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int count, touch, x, y, rate, maxLife, lifeShift;
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int life;
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int ct, ct2;
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int newPart;
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int drawCount;
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int dx, dy, idx;
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int posx,posy;
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int c;
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int srcIdx;
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int dstIdx;
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count = loadI32(con, 0, 1);
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touch = loadI32(con, 0, 2);
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x = loadI32(con, 0, 3);
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y = loadI32(con, 0, 4);
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rate = 4;
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maxLife = (count / rate) - 1;
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lifeShift = 0;
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{
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life = maxLife;
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while (life > 255) {
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life = life >> 1;
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lifeShift ++;
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}
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}
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drawRect(con, 0, 256, 0, 512);
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contextBindProgramFragment(con, NAMED_PgmFragParts);
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if (touch) {
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newPart = loadI32(con, 2, 0);
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for (ct2=0; ct2<rate; ct2++) {
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dx = scriptRand(con, 0x10000) - 0x8000;
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dy = scriptRand(con, 0x10000) - 0x8000;
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idx = newPart * 5 + 1;
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storeI32(con, 2, idx, dx);
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storeI32(con, 2, idx + 1, dy);
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storeI32(con, 2, idx + 2, maxLife);
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storeI32(con, 2, idx + 3, x << 16);
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storeI32(con, 2, idx + 4, y << 16);
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newPart++;
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if (newPart >= count) {
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newPart = 0;
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}
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}
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storeI32(con, 2, 0, newPart);
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}
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drawCount = 0;
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for (ct=0; ct < count; ct++) {
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srcIdx = ct * 5 + 1;
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dx = loadI32(con, 2, srcIdx);
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dy = loadI32(con, 2, srcIdx + 1);
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life = loadI32(con, 2, srcIdx + 2);
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posx = loadI32(con, 2, srcIdx + 3);
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posy = loadI32(con, 2, srcIdx + 4);
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if (life) {
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if (posy < (480 << 16)) {
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dstIdx = drawCount * 9;
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c = 0xffafcf | ((life >> lifeShift) << 24);
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storeU32(con, 1, dstIdx, c);
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storeI32(con, 1, dstIdx + 1, posx);
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storeI32(con, 1, dstIdx + 2, posy);
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storeU32(con, 1, dstIdx + 3, c);
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storeI32(con, 1, dstIdx + 4, posx + 0x10000);
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storeI32(con, 1, dstIdx + 5, posy + dy * 4);
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storeU32(con, 1, dstIdx + 6, c);
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storeI32(con, 1, dstIdx + 7, posx - 0x10000);
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storeI32(con, 1, dstIdx + 8, posy + dy * 4);
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drawCount ++;
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} else {
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if (dy > 0) {
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dy = (-dy) >> 1;
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}
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}
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posx = posx + dx;
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posy = posy + dy;
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dy = dy + 0x400;
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life --;
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//storeI32(con, 2, srcIdx, dx);
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storeI32(con, 2, srcIdx + 1, dy);
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storeI32(con, 2, srcIdx + 2, life);
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storeI32(con, 2, srcIdx + 3, posx);
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storeI32(con, 2, srcIdx + 4, posy);
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}
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}
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drawTriangleArray(con, NAMED_PartBuffer, drawCount);
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return 1;
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}
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