fries/GRRLIB
1
0
Fork 0
mirror of https://github.com/GRRLIB/GRRLIB.git synced 2024-09-20 12:45:05 +00:00
Code Issues Projects Releases Packages Wiki Activity

[CHG] Optimization in tile calculation

Browse source 
i only modded DrawTile, if this mod is ok for all and fully tested
we need to make this change to all functions the needs calculation like this.
(drawpart, drawtilequad, etc...)
This commit is contained in:
N0NameN0 2009-11-10 09:50:41 +00:00
parent db1246ce52
commit 8f2e7413e5
3 changed files with 9 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
GRRLIB/GRRLIB/GRRLIB_bmf.c
View file

@ -111,5 +111,7 @@ void GRRLIB_InitTileSet (GRRLIB_texImg *tex,
tex->nbtileh = tex->h / tileh; tex->nbtileh = tex->h / tileh;
tex->tilestart = tilestart; tex->tilestart = tilestart;
tex->tiledtex = true; tex->tiledtex = true;
tex->ofnormaltexx = 1.0F/tex->nbtilew;
tex->ofnormaltexy = 1.0F/tex->nbtileh;
GRRLIB_SetHandle( tex, 0, 0 ); GRRLIB_SetHandle( tex, 0, 0 );
} }

8
GRRLIB/GRRLIB/GRRLIB_render.c
View file

@ -177,10 +177,10 @@ void GRRLIB_DrawTile (const f32 xpos, const f32 ypos, const GRRLIB_texImg *tex,
if (tex == NULL || tex->data == NULL) return ; if (tex == NULL || tex->data == NULL) return ;
// The 0.001f/x is the frame correction formula by spiffen // The 0.001f/x is the frame correction formula by spiffen
s1 = (( (frame %tex->nbtilew) ) /(f32)tex->nbtilew) +(0.001f /tex->w); s1 = (frame % tex->nbtilew) * tex->ofnormaltexx;
s2 = (( (frame %tex->nbtilew) +1) /(f32)tex->nbtilew) -(0.001f /tex->w); s2 = s1 + tex->ofnormaltexx;
t1 = (((int)(frame /tex->nbtilew) ) /(f32)tex->nbtileh) +(0.001f /tex->h); t1 = (int)(frame/tex->nbtilew) * tex->ofnormaltexy;
t2 = (((int)(frame /tex->nbtilew) +1) /(f32)tex->nbtileh) -(0.001f /tex->h); t2 = t1 + tex->ofnormaltexy;
GX_InitTexObj(&texObj, tex->data, GX_InitTexObj(&texObj, tex->data,
tex->tilew * tex->nbtilew, tex->tileh * tex->nbtileh, tex->tilew * tex->nbtilew, tex->tileh * tex->nbtileh,

3
GRRLIB/GRRLIB/grrlib.h
View file

@ -115,6 +115,9 @@ typedef struct GRRLIB_texImg {
uint nbtilew; /**< Number of tiles for the x axis. */ uint nbtilew; /**< Number of tiles for the x axis. */
uint nbtileh; /**< Number of tiles for the y axis. */ uint nbtileh; /**< Number of tiles for the y axis. */
uint tilestart; /**< Offset to tile starting position. */ uint tilestart; /**< Offset to tile starting position. */
f32 ofnormaltexx; /**< Offset of normalized texture on x */
f32 ofnormaltexy; /**< Offset of normalized texture on y */
void *data; /**< Pointer to the texture data. */ void *data; /**< Pointer to the texture data. */
} GRRLIB_texImg; } GRRLIB_texImg;