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| author | jacksonmj <jacksonmj@jacksonmj.none> | 2011-01-06 22:26:31 (GMT) |
|---|---|---|
| committer | jacksonmj <jacksonmj@jacksonmj.none> | 2011-01-06 22:26:31 (GMT) |
| commit | ed8c0031f4899ea4d1bf0b1ad15620bef735dbae (patch) | |
| tree | 7304b287322b8ddae3f7f3cd5a92b99f8d4091d4 /src/air.c | |
| parent | 6eafb157de0e317a17bb74b2c60b5d759d891666 (diff) | |
| download | powder-ed8c0031f4899ea4d1bf0b1ad15620bef735dbae.zip powder-ed8c0031f4899ea4d1bf0b1ad15620bef735dbae.tar.gz | |
Astyle.
Diffstat (limited to 'src/air.c')
| -rw-r--r-- | src/air.c | 216 |
1 files changed, 108 insertions, 108 deletions
@@ -16,126 +16,126 @@ float fvx[YRES/CELL][XRES/CELL], fvy[YRES/CELL][XRES/CELL]; void make_kernel(void) { - int i, j; - float s = 0.0f; - for(j=-1; j<2; j++) - for(i=-1; i<2; i++) - { - kernel[(i+1)+3*(j+1)] = expf(-2.0f*(i*i+j*j)); - s += kernel[(i+1)+3*(j+1)]; - } - s = 1.0f / s; - for(j=-1; j<2; j++) - for(i=-1; i<2; i++) - kernel[(i+1)+3*(j+1)] *= s; + int i, j; + float s = 0.0f; + for (j=-1; j<2; j++) + for (i=-1; i<2; i++) + { + kernel[(i+1)+3*(j+1)] = expf(-2.0f*(i*i+j*j)); + s += kernel[(i+1)+3*(j+1)]; + } + s = 1.0f / s; + for (j=-1; j<2; j++) + for (i=-1; i<2; i++) + kernel[(i+1)+3*(j+1)] *= s; } void update_air(void) { - int x, y, i, j; - float dp, dx, dy, f, tx, ty; + int x, y, i, j; + float dp, dx, dy, f, tx, ty; - for(y=1; y<YRES/CELL; y++) - for(x=1; x<XRES/CELL; x++) - { - dp = 0.0f; - dp += vx[y][x-1] - vx[y][x]; - dp += vy[y-1][x] - vy[y][x]; - pv[y][x] *= PLOSS; - pv[y][x] += dp*TSTEPP; - } + for (y=1; y<YRES/CELL; y++) + for (x=1; x<XRES/CELL; x++) + { + dp = 0.0f; + dp += vx[y][x-1] - vx[y][x]; + dp += vy[y-1][x] - vy[y][x]; + pv[y][x] *= PLOSS; + pv[y][x] += dp*TSTEPP; + } - for(y=0; y<YRES/CELL-1; y++) - for(x=0; x<XRES/CELL-1; x++) - { - dx = dy = 0.0f; - dx += pv[y][x] - pv[y][x+1]; - dy += pv[y][x] - pv[y+1][x]; - vx[y][x] *= VLOSS; - vy[y][x] *= VLOSS; - vx[y][x] += dx*TSTEPV; - vy[y][x] += dy*TSTEPV; - if(bmap[y][x]==WL_WALL || bmap[y][x+1]==WL_WALL || - bmap[y][x]==WL_WALLELEC || bmap[y][x+1]==WL_WALLELEC || - (bmap[y][x]==WL_EWALL && !emap[y][x]) || - (bmap[y][x+1]==WL_EWALL && !emap[y][x+1])) - vx[y][x] = 0; - if(bmap[y][x]==WL_WALL || bmap[y+1][x]==WL_WALL || - bmap[y][x]==WL_WALLELEC || bmap[y+1][x]==WL_WALLELEC || - (bmap[y][x]==WL_EWALL && !emap[y][x]) || - (bmap[y+1][x]==WL_EWALL && !emap[y+1][x])) - vy[y][x] = 0; - } + for (y=0; y<YRES/CELL-1; y++) + for (x=0; x<XRES/CELL-1; x++) + { + dx = dy = 0.0f; + dx += pv[y][x] - pv[y][x+1]; + dy += pv[y][x] - pv[y+1][x]; + vx[y][x] *= VLOSS; + vy[y][x] *= VLOSS; + vx[y][x] += dx*TSTEPV; + vy[y][x] += dy*TSTEPV; + if (bmap[y][x]==WL_WALL || bmap[y][x+1]==WL_WALL || + bmap[y][x]==WL_WALLELEC || bmap[y][x+1]==WL_WALLELEC || + (bmap[y][x]==WL_EWALL && !emap[y][x]) || + (bmap[y][x+1]==WL_EWALL && !emap[y][x+1])) + vx[y][x] = 0; + if (bmap[y][x]==WL_WALL || bmap[y+1][x]==WL_WALL || + bmap[y][x]==WL_WALLELEC || bmap[y+1][x]==WL_WALLELEC || + (bmap[y][x]==WL_EWALL && !emap[y][x]) || + (bmap[y+1][x]==WL_EWALL && !emap[y+1][x])) + vy[y][x] = 0; + } - for(y=0; y<YRES/CELL; y++) - for(x=0; x<XRES/CELL; x++) - { - dx = 0.0f; - dy = 0.0f; - dp = 0.0f; - for(j=-1; j<2; j++) - for(i=-1; i<2; i++) - if(y+j>0 && y+j<YRES/CELL-1 && - x+i>0 && x+i<XRES/CELL-1 && - bmap[y+j][x+i]!=WL_WALL && - bmap[y+j][x+i]!=WL_WALLELEC && - (bmap[y+j][x+i]!=WL_EWALL || emap[y+j][x+i])) - { - f = kernel[i+1+(j+1)*3]; - dx += vx[y+j][x+i]*f; - dy += vy[y+j][x+i]*f; - dp += pv[y+j][x+i]*f; - } - else - { - f = kernel[i+1+(j+1)*3]; - dx += vx[y][x]*f; - dy += vy[y][x]*f; - dp += pv[y][x]*f; - } + for (y=0; y<YRES/CELL; y++) + for (x=0; x<XRES/CELL; x++) + { + dx = 0.0f; + dy = 0.0f; + dp = 0.0f; + for (j=-1; j<2; j++) + for (i=-1; i<2; i++) + if (y+j>0 && y+j<YRES/CELL-1 && + x+i>0 && x+i<XRES/CELL-1 && + bmap[y+j][x+i]!=WL_WALL && + bmap[y+j][x+i]!=WL_WALLELEC && + (bmap[y+j][x+i]!=WL_EWALL || emap[y+j][x+i])) + { + f = kernel[i+1+(j+1)*3]; + dx += vx[y+j][x+i]*f; + dy += vy[y+j][x+i]*f; + dp += pv[y+j][x+i]*f; + } + else + { + f = kernel[i+1+(j+1)*3]; + dx += vx[y][x]*f; + dy += vy[y][x]*f; + dp += pv[y][x]*f; + } - tx = x - dx*0.7f; - ty = y - dy*0.7f; - i = (int)tx; - j = (int)ty; - tx -= i; - ty -= j; - if(i>=2 && i<XRES/CELL-3 && - j>=2 && j<YRES/CELL-3) - { - dx *= 1.0f - VADV; - dy *= 1.0f - VADV; + tx = x - dx*0.7f; + ty = y - dy*0.7f; + i = (int)tx; + j = (int)ty; + tx -= i; + ty -= j; + if (i>=2 && i<XRES/CELL-3 && + j>=2 && j<YRES/CELL-3) + { + dx *= 1.0f - VADV; + dy *= 1.0f - VADV; - dx += VADV*(1.0f-tx)*(1.0f-ty)*vx[j][i]; - dy += VADV*(1.0f-tx)*(1.0f-ty)*vy[j][i]; + dx += VADV*(1.0f-tx)*(1.0f-ty)*vx[j][i]; + dy += VADV*(1.0f-tx)*(1.0f-ty)*vy[j][i]; - dx += VADV*tx*(1.0f-ty)*vx[j][i+1]; - dy += VADV*tx*(1.0f-ty)*vy[j][i+1]; + dx += VADV*tx*(1.0f-ty)*vx[j][i+1]; + dy += VADV*tx*(1.0f-ty)*vy[j][i+1]; - dx += VADV*(1.0f-tx)*ty*vx[j+1][i]; - dy += VADV*(1.0f-tx)*ty*vy[j+1][i]; + dx += VADV*(1.0f-tx)*ty*vx[j+1][i]; + dy += VADV*(1.0f-tx)*ty*vy[j+1][i]; - dx += VADV*tx*ty*vx[j+1][i+1]; - dy += VADV*tx*ty*vy[j+1][i+1]; - } + dx += VADV*tx*ty*vx[j+1][i+1]; + dy += VADV*tx*ty*vy[j+1][i+1]; + } - if(bmap[y][x] == WL_FAN) - { - dx += fvx[y][x]; - dy += fvy[y][x]; - } + if (bmap[y][x] == WL_FAN) + { + dx += fvx[y][x]; + dy += fvy[y][x]; + } - if(dp > 256.0f) dp = 256.0f; - if(dp < -256.0f) dp = -256.0f; - if(dx > 256.0f) dx = 256.0f; - if(dx < -256.0f) dx = -256.0f; - if(dy > 256.0f) dy = 256.0f; - if(dy < -256.0f) dy = -256.0f; + if (dp > 256.0f) dp = 256.0f; + if (dp < -256.0f) dp = -256.0f; + if (dx > 256.0f) dx = 256.0f; + if (dx < -256.0f) dx = -256.0f; + if (dy > 256.0f) dy = 256.0f; + if (dy < -256.0f) dy = -256.0f; - ovx[y][x] = dx; - ovy[y][x] = dy; - opv[y][x] = dp; - } - memcpy(vx, ovx, sizeof(vx)); - memcpy(vy, ovy, sizeof(vy)); - memcpy(pv, opv, sizeof(pv)); + ovx[y][x] = dx; + ovy[y][x] = dy; + opv[y][x] = dp; + } + memcpy(vx, ovx, sizeof(vx)); + memcpy(vy, ovy, sizeof(vy)); + memcpy(pv, opv, sizeof(pv)); } |
