drawcube.c
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/********************************************************************************
NINTENDO64 DIsk Drive IPL4
N-cube drawing module
February 27, 1997
********************************************************************************/
#include <ultra64.h>
#include "ipl4.h"
#include "graphics.h"
#include "static.h"
#include "BUMPMAP/bumptex.inc"
static uwlong heapMemory[8192]; /* heap for the bump mapping (64K) */
static char * memoryptr; /* memory allocation pointer */
static void *bumpmap1;
static void *bumpmap2;
static void *bumpmap3;
static void *bumpmap4;
static void *bumpmap5;
static void *bumpmap6;
static void *bumpmap7;
static void *bumpmap8;
static void *texture1;
static void *texture2;
static void *texture3;
static void *texture4;
static void *texture5;
static void *texture6;
static void *texture7;
static void *texture8;
//////////////////////////////////////////////////////////////////////////////////
//
//
//
//
// Bump mapping N-Cube drawing routines
//
//
//
//
//////////////////////////////////////////////////////////////////////////////////
/********************************************************************************/
/* */
/* Allocate memory for bump mapping */
/* */
/********************************************************************************/
extern void *
malloc(long size)
{
char *memory = memoryptr;
memoryptr += size;
return((void *)memory);
}
/********************************************************************************/
/* */
/* Initialize bump mapping works */
/* */
/********************************************************************************/
extern void
InitBumpNCube(void)
{
memoryptr = (char *)&heapMemory[0];
bumpmap1 = NewBumpMap(32, 32, 0.00f, 0.00f, 1.00f, 0.75f, 0.44f, 1.0f, 6.0f, 1.0f, bumptex);
bumpmap2 = NewBumpMap(32, 32, 0.00f, 0.00f, -1.00f, 0.75f, 0.44f, 1.0f, 6.0f, 1.0f, bumptex);
bumpmap3 = NewBumpMap(32, 32, 1.00f, 0.00f, 0.00f, 0.75f, 0.44f, 1.0f, 6.0f, 1.0f, bumptex);
bumpmap4 = NewBumpMap(32, 32, -1.00f, 0.00f, 0.00f, 0.75f, 0.44f, 1.0f, 6.0f, 1.0f, bumptex);
bumpmap5 = NewBumpMap(32, 32, 0.00f,-0.67f, 0.74f, 0.75f, 0.44f, 1.0f, 6.0f, 1.0f, bumptex);
bumpmap6 = NewBumpMap(32, 32, 0.00f,-0.67f, -0.74f, 0.75f, 0.44f, 1.0f, 6.0f, 1.0f, bumptex);
bumpmap7 = NewBumpMap(32, 32, 0.74f,-0.67f, 0.00f, 0.75f, 0.44f, 1.0f, 6.0f, 1.0f, bumptex);
bumpmap8 = NewBumpMap(32, 32, -0.74f,-0.67f, 0.00f, 0.75f, 0.44f, 1.0f, 6.0f, 1.0f, bumptex);
}
/********************************************************************************/
/* */
/* Draw bump mapping face. */
/* */
/********************************************************************************/
static void
DrawBumpmapFace(void *texture, GfxPtr gfxlist)
{
gDPLoadTextureBlock(graphicp++, texture, G_IM_FMT_I, G_IM_SIZ_8b, 32, 32, 0,
G_TX_WRAP|G_TX_NOMIRROR, G_TX_WRAP|G_TX_NOMIRROR,
5, 5, G_TX_NOLOD, G_TX_NOLOD
);
gSPDisplayList(graphicp++, gfxlist);
}
/********************************************************************************/
/* */
/* Draw bump mapping N-Cube. */
/* */
/********************************************************************************/
static void
DrawBumpmapNCube(void)
{
gSPDisplayList (graphicp++, Gfx_BumpNCubeStart);
gDPSetPrimColor(graphicp++, 0,0,0,0,0,96);
DrawBumpmapFace(texture1, Gfx_BumpNCube00);
DrawBumpmapFace(texture2, Gfx_BumpNCube01);
DrawBumpmapFace(texture3, Gfx_BumpNCube02);
DrawBumpmapFace(texture4, Gfx_BumpNCube03);
DrawBumpmapFace(texture5, Gfx_BumpNCube04);
DrawBumpmapFace(texture6, Gfx_BumpNCube05);
DrawBumpmapFace(texture7, Gfx_BumpNCube06);
DrawBumpmapFace(texture8, Gfx_BumpNCube07);
gDPLoadTextureBlock(graphicp++, bumptex, G_IM_FMT_I, G_IM_SIZ_8b, 32, 32, 0,
G_TX_WRAP|G_TX_NOMIRROR, G_TX_WRAP|G_TX_NOMIRROR,
5, 5, G_TX_NOLOD, G_TX_NOLOD
);
gSPDisplayList (graphicp++, Gfx_BumpNCube08 );
gSPDisplayList (graphicp++, Gfx_BumpNCube09 );
gSPDisplayList (graphicp++, Gfx_BumpNCube10 );
gSPDisplayList (graphicp++, Gfx_BumpNCube11 );
gDPSetPrimColor(graphicp++, 0,0,0,0,0,0);
gSPDisplayList (graphicp++, Gfx_BumpNCube12 );
gSPDisplayList (graphicp++, Gfx_BumpNCube13 );
gSPDisplayList (graphicp++, Gfx_BumpNCubeEnd);
}
/********************************************************************************/
/* */
/* Update bump textures. */
/* */
/********************************************************************************/
static void
UpdateBumpTextures(CtrlNCube *ncube)
{
AffineMtx affine;
FVector radian;
// float light[3] = { -173.6f, -577.35f, 984.8f };
float light[3] = { 342.0f, -577.35f, 939.7f };
FVector scaling = { 1.0f, 1.0f, 1.0f };
AngvecToRadvec(&radian, &ncube->angle);
CreateModelAffineMtx(&affine, &ncube->position, &radian, &scaling);
texture1 = UpdateBumpMap(bumpmap1, light, &affine[0][0], &cameraMatrix[0][0]);
texture2 = UpdateBumpMap(bumpmap2, light, &affine[0][0], &cameraMatrix[0][0]);
texture3 = UpdateBumpMap(bumpmap3, light, &affine[0][0], &cameraMatrix[0][0]);
texture4 = UpdateBumpMap(bumpmap4, light, &affine[0][0], &cameraMatrix[0][0]);
texture5 = UpdateBumpMap(bumpmap5, light, &affine[0][0], &cameraMatrix[0][0]);
texture6 = UpdateBumpMap(bumpmap6, light, &affine[0][0], &cameraMatrix[0][0]);
texture7 = UpdateBumpMap(bumpmap7, light, &affine[0][0], &cameraMatrix[0][0]);
texture8 = UpdateBumpMap(bumpmap8, light, &affine[0][0], &cameraMatrix[0][0]);
}
//////////////////////////////////////////////////////////////////////////////////
//
//
//
//
// N-Cube drawing routines
//
//
//
//
//////////////////////////////////////////////////////////////////////////////////
/********************************************************************************/
/* */
/* Make display list. */
/* */
/********************************************************************************/
static void
MakeDisplayList(CtrlNCube *ncube, Gfx *gfxlist, int drawmode)
{
FVector radian;
FVector position = ncube->position;
FVector scaling = ncube->scaling;
Mtx * modeling = (Mtx *)AllocDynamic(sizeof(Mtx));
position.y += 1.0f; /* for 3D calculate error correction */
if (drawmode == NCUBE_DRAW_MIRROR) {
position.y *= -1.0f;
scaling.y *= -1.0f;
gSPClearGeometryMode(graphicp++, G_CULL_BACK );
gSPSetGeometryMode (graphicp++, G_CULL_FRONT);
}
AngvecToRadvec(&radian, &ncube->angle);
CreateModelMatrix(modeling, &position, &radian, &scaling);
gSPMatrix(graphicp++, K0_TO_PHYS(modeling), G_MTX_MODELVIEW |G_MTX_LOAD|G_MTX_NOPUSH);
if (gfxlist == NULL) {
DrawBumpmapNCube();
} else {
gSPDisplayList(graphicp++, gfxlist);
}
if (drawmode == NCUBE_DRAW_MIRROR) {
gSPClearGeometryMode(graphicp++, G_CULL_FRONT);
gSPSetGeometryMode (graphicp++, G_CULL_BACK );
}
}
/********************************************************************************/
/* */
/* Display color combine N-Cube. */
/* */
/********************************************************************************/
static void
DoNormalColor(CtrlNCube *ncube)
{
gDPPipeSync (graphicp++);
gDPSetPrimColor(graphicp++, 0,0,ncube->color.r,ncube->color.g,ncube->color.b,ncube->color.a);
if (ncube->flag & NCUBE_FLAG_MIRROR) MakeDisplayList(ncube, Gfx_NCube, NCUBE_DRAW_MIRROR);
if (ncube->flag & NCUBE_FLAG_NORMAL) MakeDisplayList(ncube, Gfx_NCube, NCUBE_DRAW_NORMAL);
}
/********************************************************************************/
/* */
/* Display color combine N-Cube. */
/* */
/********************************************************************************/
static void
DoColorCombine(CtrlNCube *ncube)
{
gDPPipeSync (graphicp++);
gDPSetPrimColor(graphicp++, 0,0,ncube->color.r,ncube->color.g,ncube->color.b,ncube->color.a);
if (ncube->flag & NCUBE_FLAG_MIRROR) MakeDisplayList(ncube, Gfx_MilkNCube, NCUBE_DRAW_MIRROR);
if (ncube->flag & NCUBE_FLAG_NORMAL) MakeDisplayList(ncube, Gfx_MilkNCube, NCUBE_DRAW_NORMAL);
}
/********************************************************************************/
/* */
/* Display texture combine N-Cube. */
/* */
/********************************************************************************/
static void
DoTextureCombine(CtrlNCube *ncube)
{
gDPPipeSync (graphicp++);
gDPSetPrimColor(graphicp++, 0,0,0,0,0,ncube->color.a);
gDPLoadMultiTile(graphicp++, ncube->texture1, 0, G_TX_RENDERTILE,
G_IM_FMT_RGBA, G_IM_SIZ_16b,
32, 32, 0,0,31,31, 0,
G_TX_WRAP|G_TX_NOMIRROR, G_TX_WRAP|G_TX_NOMIRROR,
5, 5,
G_TX_NOLOD, G_TX_NOLOD
);
if (ncube->flag & NCUBE_FLAG_MIRROR) MakeDisplayList(ncube, Gfx_TMixNCube, NCUBE_DRAW_MIRROR);
if (ncube->flag & NCUBE_FLAG_NORMAL) MakeDisplayList(ncube, Gfx_TMixNCube, NCUBE_DRAW_NORMAL);
}
/********************************************************************************/
/* */
/* Display texture over lap. */
/* */
/********************************************************************************/
static void
DoTextureOverLap(CtrlNCube *ncube)
{
gDPPipeSync (graphicp++);
gDPSetPrimColor(graphicp++, 0,0,0,0,0,ncube->color.a);
gDPLoadMultiTile(graphicp++, ncube->texture1, 0, G_TX_RENDERTILE,
G_IM_FMT_RGBA, G_IM_SIZ_16b,
32, 32, 0,0,31,31, 0,
G_TX_WRAP|G_TX_NOMIRROR, G_TX_WRAP|G_TX_NOMIRROR,
5, 5,
G_TX_NOLOD, G_TX_NOLOD
);
gDPLoadMultiTile(graphicp++, ncube->texture2, 256, G_TX_RENDERTILE+1,
G_IM_FMT_RGBA, G_IM_SIZ_16b,
32, 32, 0,0,31,31, 0,
G_TX_WRAP|G_TX_NOMIRROR, G_TX_WRAP|G_TX_NOMIRROR,
5, 5,
G_TX_NOLOD, G_TX_NOLOD
);
if (ncube->flag & NCUBE_FLAG_MIRROR) MakeDisplayList(ncube, Gfx_TextNCube, NCUBE_DRAW_MIRROR);
if (ncube->flag & NCUBE_FLAG_NORMAL) MakeDisplayList(ncube, Gfx_TextNCube, NCUBE_DRAW_NORMAL);
}
/********************************************************************************/
/* */
/* Display bump mapping N-Cube. */
/* */
/********************************************************************************/
static void
DoBumpMapping(CtrlNCube *ncube)
{
gDPPipeSync (graphicp++);
gDPSetPrimColor(graphicp++, 0,0,ncube->color.r,ncube->color.g,ncube->color.b,ncube->color.a);
UpdateBumpTextures(ncube);
if (ncube->flag & NCUBE_FLAG_MIRROR) MakeDisplayList(ncube, NULL, NCUBE_DRAW_MIRROR);
if (ncube->flag & NCUBE_FLAG_NORMAL) MakeDisplayList(ncube, NULL, NCUBE_DRAW_NORMAL);
}
/********************************************************************************/
/* */
/* Display texture morph N-Cube. */
/* */
/********************************************************************************/
extern void
DisplayNCube(CtrlNCube *ncube)
{
switch (ncube->type) {
case NCUBE_TYPE_COLOR : DoNormalColor (ncube); break;
case NCUBE_TYPE_COLCOMBINE: DoColorCombine (ncube); break;
case NCUBE_TYPE_TXTCOMBINE: DoTextureCombine(ncube); break;
case NCUBE_TYPE_TXTOVERLAP: DoTextureOverLap(ncube); break;
case NCUBE_TYPE_BUMPMAP : DoBumpMapping (ncube); break;
}
}