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Polymost projection changes to correct the perspective in widescreen and ultrawide resolutions.

Browse source 
Patch from Nuke.YKT and Fox.

git-svn-id: https://svn.eduke32.com/eduke32@7916 1a8010ca-5511-0410-912e-c29ae57300e0

# Conflicts:
#	source/build/include/polymost.h
#	source/build/src/polymost.cpp
This commit is contained in:
terminx 2019-08-07 22:44:33 +00:00 • committed by Christoph Oelckers
parent b7f349cd92
commit b8f668aa9b
3 changed files with 89 additions and 25 deletions
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32
source/build/src/mdsprite.cpp
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@ -1847,9 +1847,10 @@ int md3postload_polymer(md3model_t *m)
void md3_vox_calcmat_common(tspriteptr_t tspr, const vec3f_t *a0, float f, float mat[16])
{
float g;
float k0, k1, k2, k3, k4, k5, k6, k7;
/*
float g;
k0 = ((float)(tspr->x-globalposx))*f*(1.f/1024.f);
k1 = ((float)(tspr->y-globalposy))*f*(1.f/1024.f);
f = gcosang2*gshang;
@ -1864,6 +1865,35 @@ void md3_vox_calcmat_common(tspriteptr_t tspr, const vec3f_t *a0, float f, float
mat[1] = k4*k6 + k5*k7; mat[5] = gchang*gctang; mat[ 9] = k4*k7 - k5*k6; mat[13] = k2*k6 + k3*k7;
k6 = gcosang2*gchang; k7 = gsinang2*gchang;
mat[2] = k4*k6 + k5*k7; mat[6] =-gshang; mat[10] = k4*k7 - k5*k6; mat[14] = k2*k6 + k3*k7;
*/
k0 = ((float)(tspr->x-globalposx))*f*(1.f/1024.f);
k1 = ((float)(tspr->y-globalposy))*f*(1.f/1024.f);
k4 = (float)sintable[(tspr->ang+spriteext[tspr->owner].angoff+1024)&2047] * (1.f/16384.f);
k5 = (float)sintable[(tspr->ang+spriteext[tspr->owner].angoff+ 512)&2047] * (1.f/16384.f);
k2 = k0*(1-k4)+k1*k5;
k3 = k1*(1-k4)-k0*k5;
k6 = -gsinang; k7 = gcosang;
mat[0] = k4*k6 + k5*k7; mat[4] = 0.f; mat[ 8] = k4*k7 - k5*k6; mat[12] = k2*k6 + k3*k7;
mat[1] = 0.f; mat[5] = 1.f; mat[ 9] = 0.f; mat[13] = 0.f;
k6 = gcosang2; k7 = gsinang2;
mat[2] = k4*k6 + k5*k7; mat[6] = 0.f; mat[10] = k4*k7 - k5*k6; mat[14] = k2*k6 + k3*k7;
//Up/down rotation
float udmatrix[16] = {
1.f, 0.f, 0.f, 0.f,
0.f, gchang, -gshang*gvrcorrection, 0.f,
0.f, gshang/gvrcorrection, gchang, 0.f,
0.f, 0.f, 0.f, 1.f,
};
// Tilt rotation
float tiltmatrix[16] = {
gctang, -gstang, 0.f, 0.f,
gstang, gctang, 0.f, 0.f,
0.f, 0.f, 1.f, 0.f,
0.f, 0.f, 0.f, 1.f,
};
multiplyMatrix4f(mat, udmatrix);
multiplyMatrix4f(mat, tiltmatrix);
mat[12] = (mat[12] + a0->y*mat[0]) + (a0->z*mat[4] + a0->x*mat[ 8]);
mat[13] = (mat[13] + a0->y*mat[1]) + (a0->z*mat[5] + a0->x*mat[ 9]);