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namcos23: Add 3D model scaling [O. Galibert]

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This commit is contained in:
Olivier Galibert 2010-03-28 21:54:21 +00:00
parent 88c7fc638d
commit 32eb94eb59
1 changed files with 18 additions and 5 deletions
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23
src/mame/drivers/namcos23.c
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@ -1218,6 +1218,7 @@ static UINT32 tileid_mask, tile_mask, ptrom_limit;
static INT16 matrices[256][9];
static INT32 vectors[256][3];
static INT32 light_vector[3];
static UINT16 scaling;
static UINT16 nthword( const UINT32 *pSource, int offs )
@ -1622,6 +1623,7 @@ struct namcos23_render_entry {
UINT16 model;
INT16 m[9];
INT32 v[3];
float scaling;
};
enum { RENDER_MAX_ENTRIES = 10000 };
@ -1752,6 +1754,15 @@ static void p3d_vector_set(const UINT16 *p, int size)
}
}
static void p3d_scaling_set(const UINT16 *p, int size)
{
if(size != 1) {
logerror("WARNING: p3d_scaling_set with size %d\n", size);
return;
}
scaling = *p;
}
static void p3d_vector_matrix_mul(const UINT16 *p, int size)
{
if(size != 4) {
@ -1813,14 +1824,14 @@ static void p3d_matrix_matrix_mul(const UINT16 *p, int size)
t[8] = INT16((m1[6]*m2[2] + m1[7]*m2[5] + m1[8]*m2[8]) >> 14);
}
static void p3d_render(const UINT16 *p, int size, bool mode)
static void p3d_render(const UINT16 *p, int size, bool use_scaling)
{
if(size != 3) {
logerror("WARNING: p3d_render with size %d\n", size);
return;
}
logerror("render model %x mode %c with matrix %x and vector %x\n", p[0], mode ? '2' : '1', p[1], p[2]);
logerror("render model %x %swith matrix %x and vector %x\n", p[0], use_scaling ? "scaled " : "", p[1], p[2]);
// Temporary gross hack for timecrs2
if(p[0] == 0xd96)
@ -1837,6 +1848,7 @@ static void p3d_render(const UINT16 *p, int size, bool mode)
namcos23_render_entry *re = render_entries[render_cur] + render_count[render_cur];
re->model = p[0];
re->scaling = use_scaling ? scaling / 16384.0 : 1.0;
memcpy(re->m, m, sizeof(re->m));
memcpy(re->v, v, sizeof(re->v));
if(0)
@ -1886,6 +1898,7 @@ static void p3d_dma(const address_space *space, UINT32 adr, UINT32 size)
case 0x0000: p3d_matrix_matrix_mul(buffer, psize); break;
case 0x0810: p3d_matrix_vector_mul(buffer, psize); break;
case 0x1010: p3d_vector_matrix_mul(buffer, psize); break;
case 0x4400: p3d_scaling_set(buffer, psize); break;
case 0x8000: p3d_render(buffer, psize, false); break;
case 0x8080: p3d_render(buffer, psize, true); break;
default: {
@ -1927,9 +1940,9 @@ static WRITE32_HANDLER( p3d_w)
static void render_apply_transform(INT32 xi, INT32 yi, INT32 zi, const namcos23_render_entry *re, poly_vertex &pv)
{
pv.x = float(INT32((re->m[0]*INT64(xi) + re->m[3]*INT64(yi) + re->m[6]*INT64(zi)) >> 14) + re->v[0])/16384.0;
pv.y = float(INT32((re->m[1]*INT64(xi) + re->m[4]*INT64(yi) + re->m[7]*INT64(zi)) >> 14) + re->v[1])/16384.0;
pv.p[0] = float(INT32((re->m[2]*INT64(xi) + re->m[5]*INT64(yi) + re->m[8]*INT64(zi)) >> 14) + re->v[2])/16384.0;
pv.x = (INT32((re->m[0]*INT64(xi) + re->m[3]*INT64(yi) + re->m[6]*INT64(zi)) >> 14)*re->scaling + re->v[0])/16384.0;
pv.y = (INT32((re->m[1]*INT64(xi) + re->m[4]*INT64(yi) + re->m[7]*INT64(zi)) >> 14)*re->scaling + re->v[1])/16384.0;
pv.p[0] = (INT32((re->m[2]*INT64(xi) + re->m[5]*INT64(yi) + re->m[8]*INT64(zi)) >> 14)*re->scaling + re->v[2])/16384.0;
}
static void render_apply_matrot(INT32 xi, INT32 yi, INT32 zi, const namcos23_render_entry *re, INT32 &x, INT32 &y, INT32 &z)