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input.c: Simplify code in Color_cycling()

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This commit is contained in:
Thomas Bernard 2018-01-22 16:31:23 +01:00
parent a53d6da6ea
commit 297b653304
1 changed files with 17 additions and 17 deletions
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34
src/input.c
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@ -49,7 +49,7 @@
void Handle_window_resize(SDL_ResizeEvent event);
void Handle_window_exit(SDL_QuitEvent event);
int Color_cycling(void);
static int Color_cycling(void);
// public Globals (available as extern)
@ -1063,12 +1063,14 @@ void Set_mouse_position(void)
SDL_WarpMouse(Mouse_X*Pixel_width, Mouse_Y*Pixel_height);
}
int Color_cycling(void)
static int Color_cycling(void)
{
static byte offset[16];
int i, color;
static SDL_Color PaletteSDL[256];
int changed; // boolean : true if the palette needs a change in this tick.
const T_Gradient_range * range;
int len;
long now;
static long start=0;
@ -1089,15 +1091,14 @@ int Color_cycling(void)
// Check all cycles for a change at this tick
for (i=0; i<16; i++)
{
int len;
len=Main.backups->Pages->Gradients->Range[i].End-Main.backups->Pages->Gradients->Range[i].Start+1;
if (len>1 && Main.backups->Pages->Gradients->Range[i].Speed)
range = &Main.backups->Pages->Gradients->Range[i];
len = range->End-range->Start+1;
if (len>1 && range->Speed)
{
int new_offset;
new_offset=(now-start)/(int)(1000.0/(Main.backups->Pages->Gradients->Range[i].Speed*0.2856)) % len;
if (!Main.backups->Pages->Gradients->Range[i].Inverse)
new_offset=(now-start)/(int)(1000.0/(range->Speed*0.2856)) % len;
if (!range->Inverse)
new_offset=len - new_offset;
if (new_offset!=offset[i])
@ -1116,17 +1117,16 @@ int Color_cycling(void)
}
for (i=0; i<16; i++)
{
int len;
// TODO improve
len=Main.backups->Pages->Gradients->Range[i].End-Main.backups->Pages->Gradients->Range[i].Start+1;
if (len>1 && Main.backups->Pages->Gradients->Range[i].Speed)
range = &Main.backups->Pages->Gradients->Range[i];
len = range->End-range->Start+1;
if (len>1 && range->Speed)
{
for(color=Main.backups->Pages->Gradients->Range[i].Start;color<=Main.backups->Pages->Gradients->Range[i].End;color++)
for(color=range->Start;color<=range->End;color++)
{
PaletteSDL[color].r=Main.palette[Main.backups->Pages->Gradients->Range[i].Start+((color-Main.backups->Pages->Gradients->Range[i].Start+offset[i])%len)].R;
PaletteSDL[color].g=Main.palette[Main.backups->Pages->Gradients->Range[i].Start+((color-Main.backups->Pages->Gradients->Range[i].Start+offset[i])%len)].G;
PaletteSDL[color].b=Main.palette[Main.backups->Pages->Gradients->Range[i].Start+((color-Main.backups->Pages->Gradients->Range[i].Start+offset[i])%len)].B;
int new_color = range->Start+((color-range->Start+offset[i])%len);
PaletteSDL[color].r=Main.palette[new_color].R;
PaletteSDL[color].g=Main.palette[new_color].G;
PaletteSDL[color].b=Main.palette[new_color].B;
}
}
}