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POLYDRAW.C
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/****************************************************
* *
* Polygon draw *
* *
****************************************************/
#if 0
#include "incs.h"
#ifdef PSX
#include "..\..\global\striker.def" // defs for PSX striker
#include "..\..\striker\frontend\mod.def"
#include "..\..\striker\src\anim.def"
//#include "..\..\striker\movies\fruit\mod.def"
//#include "..\..\striker\movies\hotdog\mod.def"
#include "..\..\global\s01.h" // structs used by scene "s01" format
#include "sod.h"
#include "scene.h"
#include "datafile.h"
#include "sprite.h"
#include "frontend.h"
#include "gadget.h"
#include "hardware.h"
#include "polydraw.h" //psx structs
#include "font.h"
#include "text.h"
#include "plasma.h"
#include "render.h"
#include "anim.h"
#include "mem.h"
#include "fvars.h"
#include "pad.h"
#include "camera.h"
#include "light.h"
#include "utils.h"
#include "io.h"
#include "options.h"
//#include "..\..\global\image.h"
#endif
/****************************************************
* *
* Defines *
* *
****************************************************/
#define LIGHTS_ACTIVE YES
#define PHONG_POLY_BRIGHTNESS 128
#define M_IDENTITY {{{4096,0,0},{0,4096,0},{0,0,4096}},{0,0,0}}
#define cs_gte_MulRotMatrix0( inmat, outmat ) \
{ \
gte_ldclmv( inmat ); \
gte_rtir( ); \
gte_stclmv( outmat ); \
gte_ldclmv( (BYTE *) inmat+2 ); \
gte_rtir( ); \
gte_stclmv( (BYTE *) outmat+2); \
gte_ldclmv( (BYTE *) inmat+4 ); \
gte_rtir( ); \
gte_stclmv( (BYTE *) outmat+4 ); \
}
/****************************************************
* *
* Structs *
* *
****************************************************/
/****************************************************
* *
* Vars *
* *
****************************************************/
/****************************************************
* *
* Prototypes *
* *
****************************************************/
#define SCENE_ENVMAP_SHIFT 7
// (4096/envmap_wd)*2 should equal 2^ scene_envmap_shift
void getuv3( SVECTOR *n, POLY_GT3 *gt3 )
{
VECTOR in;
ApplyRotMatrix( n++, &in );
gt3 -> u0 = ( in.vx >> SCENE_ENVMAP_SHIFT ) + scene_envmap_u0;
gt3 -> v0 = ( in.vy >> (SCENE_ENVMAP_SHIFT*1) ) + scene_envmap_v0;
ApplyRotMatrix( n++, &in );
gt3 -> u1 = ( in.vx >> SCENE_ENVMAP_SHIFT ) + scene_envmap_u0;
gt3 -> v1 = ( in.vy >> (SCENE_ENVMAP_SHIFT*1) ) + scene_envmap_v0;
ApplyRotMatrix( n++, &in );
gt3 -> u2 = ( in.vx >> SCENE_ENVMAP_SHIFT ) + scene_envmap_u0;
gt3 -> v2 = ( in.vy >> (SCENE_ENVMAP_SHIFT*1) ) + scene_envmap_v0;
}
void getuv4( SVECTOR *n, POLY_GT4 *gt4 )
{
VECTOR in;
ApplyRotMatrix( n++, &in );
gt4 -> u0 = ( in.vx >> SCENE_ENVMAP_SHIFT ) + scene_envmap_u0;
gt4 -> v0 = ( in.vy >> (SCENE_ENVMAP_SHIFT*1) ) + scene_envmap_v0;
ApplyRotMatrix( n++, &in );
gt4 -> u1 = ( in.vx >> SCENE_ENVMAP_SHIFT ) + scene_envmap_u0;
gt4 -> v1 = ( in.vy >> (SCENE_ENVMAP_SHIFT*1) ) + scene_envmap_v0;
ApplyRotMatrix( n++, &in );
gt4 -> u2 = ( in.vx >> SCENE_ENVMAP_SHIFT ) + scene_envmap_u0;
gt4 -> v2 = ( in.vy >> (SCENE_ENVMAP_SHIFT*1) ) + scene_envmap_v0;
ApplyRotMatrix( n++, &in );
gt4 -> u3 = ( in.vx >> SCENE_ENVMAP_SHIFT ) + scene_envmap_u0;
gt4 -> v3 = ( in.vy >> (SCENE_ENVMAP_SHIFT*1) ) + scene_envmap_v0;
// FntPrint("uv0=%d %d uv3=%d %d\n",gt4->u0, gt4->v0, gt4->u3, gt4->v3);
}
#if 0
void do_poly_mipmap3( POLY_GT3 *poly_ptr, GT3_face *face, Scene_obj *scene_obj )
{
if ( scene_obj->do_mipmap_swap )
{
switch ( scene_obj->mip_level )
{
case 0:
poly_ptr->u0 = face->t0.x;
poly_ptr->v0 = face->t0.y;
poly_ptr->u1 = face->t1.x;
poly_ptr->v1 = face->t1.y;
poly_ptr->u2 = face->t2.x;
poly_ptr->v2 = face->t2.y;
poly_ptr->tpage = face->tpage;
break;
case 1:
poly_ptr->u0 = face->t0_mip1.x;
poly_ptr->v0 = face->t0_mip1.y;
poly_ptr->u1 = face->t1_mip1.x;
poly_ptr->v1 = face->t1_mip1.y;
poly_ptr->u2 = face->t2_mip1.x;
poly_ptr->v2 = face->t2_mip1.y;
poly_ptr->tpage = face->tpage_mip1;
break;
case 2:
poly_ptr->u0 = face->t0_mip2.x;
poly_ptr->v0 = face->t0_mip2.y;
poly_ptr->u1 = face->t1_mip2.x;
poly_ptr->v1 = face->t1_mip2.y;
poly_ptr->u2 = face->t2_mip2.x;
poly_ptr->v2 = face->t2_mip2.y;
poly_ptr->tpage = face->tpage_mip2;
break;
}
}
}
void do_poly_mipmap4( POLY_GT4 *poly_ptr, GT4_face *face, Scene_obj *scene_obj )
{
if ( scene_obj->do_mipmap_swap )
{
switch ( scene_obj->mip_level )
{
case 0:
poly_ptr->u0 = face->t0.x;
poly_ptr->v0 = face->t0.y;
poly_ptr->u1 = face->t1.x;
poly_ptr->v1 = face->t1.y;
poly_ptr->u2 = face->t2.x;
poly_ptr->v2 = face->t2.y;
poly_ptr->u3 = face->t3.x;
poly_ptr->v3 = face->t3.y;
poly_ptr->tpage = face->tpage;
break;
case 1:
poly_ptr->u0 = face->t0_mip1.x;
poly_ptr->v0 = face->t0_mip1.y;
poly_ptr->u1 = face->t1_mip1.x;
poly_ptr->v1 = face->t1_mip1.y;
poly_ptr->u2 = face->t2_mip1.x;
poly_ptr->v2 = face->t2_mip1.y;
poly_ptr->u3 = face->t3_mip1.x;
poly_ptr->v3 = face->t3_mip1.y;
poly_ptr->tpage = face->tpage_mip1;
break;
case 2:
poly_ptr->u0 = face->t0_mip2.x;
poly_ptr->v0 = face->t0_mip2.y;
poly_ptr->u1 = face->t1_mip2.x;
poly_ptr->v1 = face->t1_mip2.y;
poly_ptr->u2 = face->t2_mip2.x;
poly_ptr->v2 = face->t2_mip2.y;
poly_ptr->u3 = face->t3_mip2.x;
poly_ptr->v3 = face->t3_mip2.y;
poly_ptr->tpage = face->tpage_mip2;
break;
}
}
}
#endif
#if 0
void rottrans_centre_vertex( Scene_obj *obj )
{
ULONG otz;
WORD mip_level;
gte_ldv3( &obj->centre_vertex,&obj->centre_vertex,&obj->centre_vertex );//load vertices to GTE
gte_rtpt(); //rottrans them with local matrix
gte_avsz3();
gte_stotz( &otz ); // setup depth sort flag
// otz holds the screen z for this scene, so
// it can be used to calculate the necessary mipmap level
//**** mipmap processing ****
if ( obj->do_mipmap_swap ) obj->do_mipmap_swap--;
if ( otz < 2500 )
mip_level = 0;
else
{
if ( otz < 4600 )
mip_level = 1;
else
mip_level = 2;
}
if ( obj->mip_level != mip_level )
{
obj->mip_level = mip_level;
obj->do_mipmap_swap = 2; //perform swap over 2 frames
}
}
#endif
void setup_scene_g3s( Scene_obj *scene_obj, Scene_obj_src *scene_obj_src )
{
POLY_GT3 *poly_ptr[2];
POLY_GT3 *e_poly_ptr[2];
G3_face_src *face_source;
G3_face *face;
BYTE *src;
WORD count,cnt;
//Scene_obj *scene_obj;
// scene_poly_data = scene_header->scene_poly_data + scene_obj->scene_obj_num;
//** Allocate area for polygon data **
scene_obj->g3_face = (G3_face *)allocate_mem ( 0, sizeof(G3_face) * scene_obj_src->g3_cnt );
face = scene_obj->g3_face;
//** Allocate area for primitives **
scene_obj->g3_ptr[0] = (POLY_GT3 *)allocate_mem ( 0, sizeof( POLY_GT3 ) * scene_obj_src->g3_cnt );
scene_obj->g3_ptr[1] = (POLY_GT3 *)allocate_mem ( 0, sizeof( POLY_GT3 ) * scene_obj_src->g3_cnt );
if ( scene_obj->environment_mapping == YES )
{
scene_obj->eg3_ptr[0] = (POLY_GT3 *)allocate_mem ( 0, sizeof( POLY_GT3 ) * scene_obj_src->g3_cnt );
scene_obj->eg3_ptr[1] = (POLY_GT3 *)allocate_mem ( 0, sizeof( POLY_GT3 ) * scene_obj_src->g3_cnt );
e_poly_ptr[0] = scene_obj->eg3_ptr[0];
e_poly_ptr[1] = scene_obj->eg3_ptr[1];
}
poly_ptr[0] = scene_obj->g3_ptr[0];
poly_ptr[1] = scene_obj->g3_ptr[1];
scene_obj->g3_cnt = scene_obj_src->g3_cnt;
src = (BYTE *)scene_header_src;
src += scene_obj_src->g3_face_src_offs;
face_source = (G3_face_src *)src;
// printf("texture map xy=%d %d bpp=%d\n",scene_header_src->envmap_tx, scene_header_src->envmap_ty, scene_header_src->envmap_bpp );
count = scene_obj_src->g3_cnt;
#if DEBUG
printf("g3s=%d\n",count);
#endif
while ( count-- )
{
face->v0 = face_source->v0;
face->v1 = face_source->v1;
face->v2 = face_source->v2;
face->n0 = face_source->n0;
face->n1 = face_source->n1;
face->n2 = face_source->n2;
face->c0 = face_source->c0;
face->c1 = face_source->c1;
face->c2 = face_source->c2;
for(cnt=0;cnt<2;cnt++)
{
SetPolyGT3 ( poly_ptr[cnt]);
SetSemiTrans ( poly_ptr[cnt],face_source->transp_rate==-1?0:1 );
poly_ptr[cnt] -> r0 = face->c0.r;
poly_ptr[cnt] -> g0 = face->c0.g;
poly_ptr[cnt] -> b0 = face->c0.b;
poly_ptr[cnt] -> r1 = face->c1.r;
poly_ptr[cnt] -> g1 = face->c1.g;
poly_ptr[cnt] -> b1 = face->c1.b;
poly_ptr[cnt] -> r2 = face->c2.r;
poly_ptr[cnt] -> g2 = face->c2.g;
poly_ptr[cnt] -> b2 = face->c2.b;
poly_ptr[cnt] -> tpage = GetTPage ( DUMMY_TEXTURE_BPP, face_source->transp_rate, DUMMY_TEXTURE_X,DUMMY_TEXTURE_Y );
poly_ptr[cnt] -> u0 =
poly_ptr[cnt] -> u1 =
poly_ptr[cnt] -> u2 = ( DUMMY_TEXTURE_X <<(2-DUMMY_TEXTURE_BPP)) % (64<<(2-DUMMY_TEXTURE_BPP));
poly_ptr[cnt] -> v0 =
poly_ptr[cnt] -> v1 =
poly_ptr[cnt] -> v2 = DUMMY_TEXTURE_Y % 256;
if ( scene_obj->environment_mapping == YES )
{
SetPolyGT3 ( e_poly_ptr[cnt]);
SetSemiTrans ( e_poly_ptr[cnt],1 ); // env polys always transparent
e_poly_ptr[cnt] -> tpage = GetTPage ( scene_header_src->envmap_bpp, 1, scene_header_src->envmap_tx, scene_header_src->envmap_ty );
e_poly_ptr[cnt] -> clut = scene_header_src->envmap_clut;
}
}
face++;
face_source++;
poly_ptr[0]++;
poly_ptr[1]++;
e_poly_ptr[0]++;
e_poly_ptr[1]++;
}
}
void setup_scene_g4s( Scene_obj *scene_obj, Scene_obj_src *scene_obj_src )
{
POLY_GT4 *poly_ptr[2];
POLY_GT4 *e_poly_ptr[2];
G4_face_src *face_source;
G4_face *face;
BYTE *src;
WORD count,cnt;
WORD bpp,u0,u1,u2,u3,v0,v1,v2,v3;
//Generic_texture *texture;
LONG tp1,tp2;
//Scene_poly_data *scene_poly_data;
// scene_poly_data = scene_header->scene_poly_data + scene_obj->scene_obj_num;
// texture = texture_name_list [ 0 ].datalist_ptr;
e_poly_ptr[0]=
e_poly_ptr[1]=0;
//** Allocate area for polygon source data **
scene_obj->g4_face = (G4_face *)allocate_mem ( 0, sizeof(G4_face) * scene_obj_src->g4_cnt );
face = scene_obj->g4_face;
//** Allocate area for primitives **
scene_obj->g4_ptr[0] = (POLY_GT4 *)allocate_mem ( 0, sizeof( POLY_GT4 ) * scene_obj_src->g4_cnt );
scene_obj->g4_ptr[1] = (POLY_GT4 *)allocate_mem ( 0, sizeof( POLY_GT4 ) * scene_obj_src->g4_cnt );
poly_ptr[0] = scene_obj->g4_ptr[0];
poly_ptr[1] = scene_obj->g4_ptr[1];
if ( scene_obj->environment_mapping == YES )
{
scene_obj->eg4_ptr[0] = (POLY_GT4 *)allocate_mem ( 0, sizeof( POLY_GT4 ) * scene_obj_src->g4_cnt );
scene_obj->eg4_ptr[1] = (POLY_GT4 *)allocate_mem ( 0, sizeof( POLY_GT4 ) * scene_obj_src->g4_cnt );
e_poly_ptr[0] = scene_obj->eg4_ptr[0];
e_poly_ptr[1] = scene_obj->eg4_ptr[1];
}
scene_obj->g4_cnt = scene_obj_src->g4_cnt;
src = (BYTE *)scene_header_src;
src += scene_obj_src->g4_face_src_offs;
face_source = (G4_face_src *)src;
count = scene_obj_src->g4_cnt;
#if DEBUG
printf("g4s=%d\n",count);
#endif
while ( count-- )
{
face->v0 = face_source->v0;
face->v1 = face_source->v1;
face->v2 = face_source->v2;
face->v3 = face_source->v3;
face->n0 = face_source->n0;
face->n1 = face_source->n1;
face->n2 = face_source->n2;
face->n3 = face_source->n3;
face->c0 = face_source->c0;
face->c1 = face_source->c1;
face->c2 = face_source->c2;
face->c3 = face_source->c3;
// if ( strcmp ( "rl_Fan_Blades", scene_obj_src->name ) == 0 )
// printf("rgb0=%d %d %d rgb3=%d %d %d\n",face->c0.r,face->c0.g,face->c0.b, face->c3.r,face->c3.g,face->c3.b );
for(cnt=0;cnt<2;cnt++)
{
poly_ptr[cnt] -> r0 = face->c0.r;
poly_ptr[cnt] -> g0 = face->c0.g;
poly_ptr[cnt] -> b0 = face->c0.b;
poly_ptr[cnt] -> r1 = face->c1.r;
poly_ptr[cnt] -> g1 = face->c1.g;
poly_ptr[cnt] -> b1 = face->c1.b;
poly_ptr[cnt] -> r2 = face->c2.r;
poly_ptr[cnt] -> g2 = face->c2.g;
poly_ptr[cnt] -> b2 = face->c2.b;
poly_ptr[cnt] -> r3 = face->c3.r;
poly_ptr[cnt] -> g3 = face->c3.g;
poly_ptr[cnt] -> b3 = face->c3.b;
if ( scene_obj->environment_mapping == YES )
{
SetPolyGT4 ( e_poly_ptr[cnt]);
SetSemiTrans ( e_poly_ptr[cnt],1 ); // env polys always transparent
e_poly_ptr[cnt] -> tpage = GetTPage ( scene_header_src->envmap_bpp, 1, scene_header_src->envmap_tx, scene_header_src->envmap_ty );
e_poly_ptr[cnt] -> clut = scene_header_src->envmap_clut;
}
poly_ptr[cnt] -> tpage = GetTPage ( DUMMY_TEXTURE_BPP, face_source->transp_rate, DUMMY_TEXTURE_X,DUMMY_TEXTURE_Y );
poly_ptr[cnt] -> u0 =
poly_ptr[cnt] -> u1 =
poly_ptr[cnt] -> u2 =
poly_ptr[cnt] -> u3 = ( DUMMY_TEXTURE_X <<(2-DUMMY_TEXTURE_BPP)) % (64<<(2-DUMMY_TEXTURE_BPP));
poly_ptr[cnt] -> v0 =
poly_ptr[cnt] -> v1 =
poly_ptr[cnt] -> v2 =
poly_ptr[cnt] -> v3 = DUMMY_TEXTURE_Y % 256;
SetPolyGT4 ( poly_ptr[cnt]);
SetSemiTrans ( poly_ptr[cnt],face_source->transp_rate==-1?0:1 );
}
face++;
face_source++;
poly_ptr[0]++;
poly_ptr[1]++;
e_poly_ptr[0]++;
e_poly_ptr[1]++;
}
}
void setup_scene_gt3s( Scene_obj *scene_obj, Scene_obj_src *scene_obj_src )
{
POLY_GT3 *poly_ptr[2];
POLY_GT3 *e_poly_ptr[2];
GT3_face_src *face_source;
GT3_face *face;
BYTE *src;
WORD count,cnt;
ULONG offs;
//Scene_poly_data *scene_poly_data;
// scene_poly_data = scene_header->scene_poly_data + scene_obj->scene_obj_num;
e_poly_ptr[0]=
e_poly_ptr[1]=0;
scene_obj->gt3_face = (GT3_face *)allocate_mem ( 0, sizeof(GT3_face) * scene_obj_src->gt3_cnt );
scene_obj->gt3_ptr[0] = (POLY_GT3 *)allocate_mem ( 0, sizeof( POLY_GT3 ) * scene_obj_src->gt3_cnt );
scene_obj->gt3_ptr[1] = (POLY_GT3 *)allocate_mem ( 0, sizeof( POLY_GT3 ) * scene_obj_src->gt3_cnt );
if ( scene_obj->environment_mapping == YES )
{
scene_obj->egt3_ptr[0] = (POLY_GT3 *)allocate_mem ( 0, sizeof( POLY_GT3 ) * scene_obj_src->gt3_cnt );
scene_obj->egt3_ptr[1] = (POLY_GT3 *)allocate_mem ( 0, sizeof( POLY_GT3 ) * scene_obj_src->gt3_cnt );
e_poly_ptr[0] = scene_obj->egt3_ptr[0];
e_poly_ptr[1] = scene_obj->egt3_ptr[1];
}
poly_ptr[0] = scene_obj->gt3_ptr[0];
poly_ptr[1] = scene_obj->gt3_ptr[1];
scene_obj->gt3_cnt = scene_obj_src->gt3_cnt;
src = (BYTE *)scene_header_src;
src += scene_obj_src->gt3_face_src_offs;
face_source = (GT3_face_src *)src;
face = scene_obj->gt3_face;
count = scene_obj_src->gt3_cnt;
while ( count-- )
{
face->v0 = face_source->v0;
face->v1 = face_source->v1;
face->v2 = face_source->v2;
face->n0 = face_source->n0;
face->n1 = face_source->n1;
face->n2 = face_source->n2;
face->t0 = face_source->t0;
face->t1 = face_source->t1;
face->t2 = face_source->t2;
// face->t0_mip1 = face_source->t0_mip1;
// face->t1_mip1 = face_source->t1_mip1;
// face->t2_mip1 = face_source->t2_mip1;
// face->t0_mip2 = face_source->t0_mip2;
// face->t1_mip2 = face_source->t1_mip2;
// face->t2_mip2 = face_source->t2_mip2;
face->c0 = face_source->c0;
face->c1 = face_source->c1;
face->c2 = face_source->c2;
face->tpage = face_source->tpage;
// face->tpage_mip1 = face_source->tpage_mip1;
// face->tpage_mip2 = face_source->tpage_mip2;
// face->tpage_mip1 = face_source->tpage_mip1;
// face->tpage_mip2 = face_source->tpage_mip2;
//material = material_data + face_source->material_num;
for(cnt=0;cnt<2;cnt++)
{
SetPolyGT3 ( poly_ptr[cnt]);
SetSemiTrans ( poly_ptr[cnt],face_source->transp_rate==-1?0:1 );
//SetSemiTrans ( poly_ptr[cnt],0 );
poly_ptr[cnt] -> u0 = face_source->t0.x;
poly_ptr[cnt] -> v0 = face_source->t0.y;
poly_ptr[cnt] -> u1 = face_source->t1.x;
poly_ptr[cnt] -> v1 = face_source->t1.y;
poly_ptr[cnt] -> u2 = face_source->t2.x;
poly_ptr[cnt] -> v2 = face_source->t2.y;
poly_ptr[cnt] -> tpage = face->tpage;
poly_ptr[cnt] -> clut = face_source->clut;
poly_ptr[cnt] -> r0 = face->c0.r;
poly_ptr[cnt] -> g0 = face->c0.g;
poly_ptr[cnt] -> b0 = face->c0.b;
poly_ptr[cnt] -> r1 = face->c1.r;
poly_ptr[cnt] -> g1 = face->c1.g;
poly_ptr[cnt] -> b1 = face->c1.b;
poly_ptr[cnt] -> r2 = face->c2.r;
poly_ptr[cnt] -> g2 = face->c2.g;
poly_ptr[cnt] -> b2 = face->c2.b;
if ( scene_obj->environment_mapping == YES )
{
SetPolyGT3 ( e_poly_ptr[cnt]);
SetSemiTrans ( e_poly_ptr[cnt],1 ); // env polys always transparent
e_poly_ptr[cnt] -> tpage = GetTPage ( scene_header_src->envmap_bpp, 1, scene_header_src->envmap_tx, scene_header_src->envmap_ty );
e_poly_ptr[cnt] -> clut = scene_header_src->envmap_clut;
}
}
face++;
face_source++;
poly_ptr[0]++;
poly_ptr[1]++;
e_poly_ptr[0]++;
e_poly_ptr[1]++;
}
}
void setup_scene_gt4s( Scene_obj *scene_obj, Scene_obj_src *scene_obj_src )
{
POLY_GT4 *poly_ptr[2];
POLY_GT4 *e_poly_ptr[2];
GT4_face_src *face_source;
GT4_face *face;
BYTE *src;
WORD count,cnt;
WORD bpp,u0,u1,u2,u3,v0,v1,v2,v3;
LONG tp,clut;
ULONG *ul_addr;
LONG tp1,tp2;
e_poly_ptr[0]=
e_poly_ptr[1]=0;
scene_obj->gt4_face = (GT4_face *)allocate_mem ( 0, sizeof(GT4_face) * scene_obj_src->gt4_cnt );
scene_obj->gt4_ptr[0] = (POLY_GT4 *)allocate_mem ( 0, sizeof( POLY_GT4 ) * scene_obj_src->gt4_cnt );
scene_obj->gt4_ptr[1] = (POLY_GT4 *)allocate_mem ( 0, sizeof( POLY_GT4 ) * scene_obj_src->gt4_cnt );
if ( scene_obj->environment_mapping == YES )
{
scene_obj->egt4_ptr[0] = (POLY_GT4 *)allocate_mem ( 0, sizeof( POLY_GT4 ) * scene_obj_src->gt4_cnt );
scene_obj->egt4_ptr[1] = (POLY_GT4 *)allocate_mem ( 0, sizeof( POLY_GT4 ) * scene_obj_src->gt4_cnt );
e_poly_ptr[0] = scene_obj->egt4_ptr[0];
e_poly_ptr[1] = scene_obj->egt4_ptr[1];
}
poly_ptr[0] = scene_obj->gt4_ptr[0];
poly_ptr[1] = scene_obj->gt4_ptr[1];
scene_obj->gt4_cnt = scene_obj_src->gt4_cnt;
src = (BYTE *)scene_header_src;
src += scene_obj_src->gt4_face_src_offs;
face_source = (GT4_face_src *)src;
face = scene_obj->gt4_face;
count = scene_obj_src->gt4_cnt;
while ( count-- )
{
face->v0 = face_source->v0;
face->v1 = face_source->v1;
face->v2 = face_source->v2;
face->v3 = face_source->v3;
face->n0 = face_source->n0;
face->n1 = face_source->n1;
face->n2 = face_source->n2;
face->n3 = face_source->n3;
face->t0 = face_source->t0;
face->t1 = face_source->t1;
face->t2 = face_source->t2;
face->t3 = face_source->t3;
// face->t0_mip1 = face_source->t0_mip1;
// face->t1_mip1 = face_source->t1_mip1;
// face->t2_mip1 = face_source->t2_mip1;
// face->t3_mip1 = face_source->t3_mip1;
// face->t0_mip2 = face_source->t0_mip2;
// face->t1_mip2 = face_source->t1_mip2;
// face->t2_mip2 = face_source->t2_mip2;
// face->t3_mip2 = face_source->t3_mip2;
face->c0 = face_source->c0;
face->c1 = face_source->c1;
face->c2 = face_source->c2;
face->c3 = face_source->c3;
face->tpage = face_source->tpage;
// face->tpage_mip1 = face_source->tpage_mip1;
// face->tpage_mip2 = face_source->tpage_mip2;
for(cnt=0;cnt<2;cnt++)
{
SetPolyGT4 ( poly_ptr[cnt]);
SetSemiTrans ( poly_ptr[cnt],face_source->transp_rate==-1?0:1 );
poly_ptr[cnt] -> u0 = face_source->t0.x;
poly_ptr[cnt] -> v0 = face_source->t0.y;
poly_ptr[cnt] -> u1 = face_source->t1.x;
poly_ptr[cnt] -> v1 = face_source->t1.y;
poly_ptr[cnt] -> u2 = face_source->t2.x;
poly_ptr[cnt] -> v2 = face_source->t2.y;
poly_ptr[cnt] -> u3 = face_source->t3.x;
poly_ptr[cnt] -> v3 = face_source->t3.y;
poly_ptr[cnt] -> tpage = face->tpage;
poly_ptr[cnt] -> clut = face_source->clut;
poly_ptr[cnt] -> r0 = face->c0.r;
poly_ptr[cnt] -> g0 = face->c0.g;
poly_ptr[cnt] -> b0 = face->c0.b;
poly_ptr[cnt] -> r1 = face->c1.r;
poly_ptr[cnt] -> g1 = face->c1.g;
poly_ptr[cnt] -> b1 = face->c1.b;
poly_ptr[cnt] -> r2 = face->c2.r;
poly_ptr[cnt] -> g2 = face->c2.g;
poly_ptr[cnt] -> b2 = face->c2.b;
poly_ptr[cnt] -> r3 = face->c3.r;
poly_ptr[cnt] -> g3 = face->c3.g;
poly_ptr[cnt] -> b3 = face->c3.b;
if ( scene_obj->environment_mapping == YES )
{
SetPolyGT4 ( e_poly_ptr[cnt]);
SetSemiTrans ( e_poly_ptr[cnt],1 ); // env polys always transparent
e_poly_ptr[cnt] -> tpage = GetTPage ( scene_header_src->envmap_bpp, 1 , scene_header_src->envmap_tx, scene_header_src->envmap_ty );
e_poly_ptr[cnt] -> clut = scene_header_src->envmap_clut;
}
}
face++;
face_source++;
poly_ptr[0]++;
poly_ptr[1]++;
e_poly_ptr[0]++;
e_poly_ptr[1]++;
}
}
/**********************************************************************
**********************************************************************
** **
** **
** Prelit polygon draw functions **
** **
** **
**********************************************************************
**********************************************************************/
void pl_draw_scene_g3s( Scene_obj *scene_obj )
{
G3_face *face_source;
POLY_GT3 *poly_ptr;
ULONG otz;
LONG nclip;
LONG *ot = cdb->ot + scene_obj->sod->user_depth;
WORD count;
face_source = scene_obj->g3_face; //** scene vertices **
poly_ptr = scene_obj->g3_ptr[cdb->buffnum];
count = scene_obj->g3_cnt; //** num faces on this scene **
while ( count )
{
gte_ldv3c( &face_source->v0 ); //load vertices to GTE
gte_rtpt(); //rottrans them with local matrix
count--;
face_source++;
gte_nclip(); //set flag for backface clipping
gte_stopz( &nclip );
//FntPrint("g3 xy=%d %d\n",poly_ptr->x0,poly_ptr->y0);
if ( nclip > 0)
{
gte_stsxy3_gt3( ( ULONG *)poly_ptr ); //store 2d coords in polygon
gte_avsz3();
gte_stotz( &otz ); // setup depth sort flag
if ( otz > 0 && otz < 16384 )
{
otz >>= OT_SHIFT; // place poly in ordering tab
addPrim ( ot + otz + NEAREST_DEPTH , poly_ptr );
}
}
poly_ptr++;
}
}
void pl_draw_scene_g4s( Scene_obj *scene_obj )
{
G4_face *face_source;
POLY_GT4 *poly_ptr;
ULONG otz;
LONG nclip;
LONG *ot = cdb->ot + scene_obj->sod->user_depth;
WORD count;
WORD color_override;
CVECTOR tint_c0;
face_source = scene_obj->g4_face; //** scene vertices **
poly_ptr = scene_obj->g4_ptr[cdb->buffnum];
count = scene_obj->g4_cnt; //** num faces on this scene **
if ( (color_override = scene_obj->sod->color_override) )
{
// if ( color_override == TINT_OVERRIDE )
tint_c0 = scene_obj->sod->tint_c0;
}
while ( count )
{
gte_ldv3c( &face_source->v0 ); //load vertices to GTE
gte_rtpt(); //rottrans them with local matrix
count--;
gte_nclip(); //set flag for backface clipping
gte_stopz( &nclip );
// FntPrint("g4 xy=%d %d\n",poly_ptr->x0,poly_ptr->y0);
if ( nclip > 0)
{
gte_stsxy3_gt4( ( ULONG *)poly_ptr ); //store 2d coords in polygon
gte_avsz3();
gte_stotz( &otz ); // setup depth sort flag
if ( color_override )
{
if ( color_override == TINT_OVERRIDE )
{
poly_ptr->r0 = poly_ptr->r1 = poly_ptr->r2 = poly_ptr->r3 = tint_c0.r;
poly_ptr->g0 = poly_ptr->g1 = poly_ptr->g2 = poly_ptr->g3 = tint_c0.g;
poly_ptr->b0 = poly_ptr->b1 = poly_ptr->b2 = poly_ptr->b3 = tint_c0.b;
}
if ( color_override == COLOR_OVERRIDE )
{
poly_ptr->r0 = face_source->c0.r;
poly_ptr->r1 = face_source->c1.r;
poly_ptr->r2 = face_source->c2.r;
poly_ptr->r3 = face_source->c3.r;
poly_ptr->g0 = face_source->c0.g;
poly_ptr->g1 = face_source->c1.g;
poly_ptr->g2 = face_source->c2.g;
poly_ptr->g3 = face_source->c3.g;
poly_ptr->b0 = face_source->c0.b;
poly_ptr->b1 = face_source->c1.b;
poly_ptr->b2 = face_source->c2.b;
poly_ptr->b3 = face_source->c3.b;
}
}
if ( otz >0 && otz < 16384 )
{
otz >>= OT_SHIFT; // place poly in ordering tab
// 4th vertex
gte_ldv0( &face_source->v3 );
gte_rtps();
addPrim ( ot + otz + NEAREST_DEPTH, poly_ptr );
gte_stsxy( ( ULONG *)&poly_ptr->x3 );
}
}
face_source++;
poly_ptr++;
}
}
void pl_draw_scene_gt3s( Scene_obj *scene_obj )
{
GT3_face *face_source;
POLY_GT3 *poly_ptr;
ULONG otz;
LONG nclip;
LONG *ot = cdb->ot + scene_obj->sod->user_depth;
WORD count;
ULONG big=0;
WORD color_override;
CVECTOR tint_c0;
face_source = scene_obj->gt3_face; //** scene vertices **
poly_ptr = scene_obj->gt3_ptr[cdb->buffnum];
count = scene_obj->gt3_cnt; //** num faces on this scene **
if ( (color_override = scene_obj->sod->color_override) )
{
tint_c0 = scene_obj->sod->tint_c0;
}
while ( count )
{
gte_ldv3c( &face_source->v0 ); //load vertices to GTE
gte_rtpt(); //rottrans them with local matrix
count--;
gte_nclip(); //set flag for backface clipping
gte_stopz( &nclip );
// do_poly_mipmap3( poly_ptr, face_source, scene_obj );
if ( nclip > 0)
{
if ( color_override )
{
if ( color_override == TINT_OVERRIDE )
{
poly_ptr->r0 = poly_ptr->r1 = poly_ptr->r2 = tint_c0.r;
poly_ptr->g0 = poly_ptr->g1 = poly_ptr->g2 = tint_c0.g;
poly_ptr->b0 = poly_ptr->b1 = poly_ptr->b2 = tint_c0.b;
}
if ( color_override == COLOR_OVERRIDE )
{
poly_ptr->r0 = face_source->c0.r;
poly_ptr->r1 = face_source->c1.r;
poly_ptr->r2 = face_source->c2.r;
poly_ptr->g0 = face_source->c0.g;
poly_ptr->g1 = face_source->c1.g;
poly_ptr->g2 = face_source->c2.g;
poly_ptr->b0 = face_source->c0.b;
poly_ptr->b1 = face_source->c1.b;
poly_ptr->b2 = face_source->c2.b;
}
}
gte_stsxy3_gt3( ( ULONG *)poly_ptr ); //store 2d coords in polygon
gte_avsz3();
gte_stotz( &otz ); // setup depth sort flag
// FntPrint("ot=%d\n",otz);
if ( otz > 0 && otz < 16384 )
{
otz >>= OT_SHIFT; // place poly in ordering tab
addPrim ( ot + otz + NEAREST_DEPTH , poly_ptr );
}
}
face_source++;