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Applied Nik's fix for cyclical scene graphs. Improves Harley Davidson, Ski Champ, Emergency Call Ambulance, and Ocean Hunter.

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This commit is contained in:
Bart Trzynadlowski 2012-03-31 19:41:55 +00:00
parent 1bce444668
commit 93b71c8429
1 changed files with 6 additions and 18 deletions
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24
Src/Graphics/Render3D.cpp
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@ -706,7 +706,8 @@ void CRender3D::DescendCullingNode(UINT32 addr)
// Proceed to second link
glPopMatrix();
DescendNodePtr(node2Ptr);
if ((node[0x00] & 0x07) != 0x06) // seems to indicate second link is invalid (fixes circular references)
DescendNodePtr(node2Ptr);
--stackDepth;
// Restore old texture offsets
@ -815,7 +816,7 @@ void CRender3D::RenderViewport(UINT32 addr, int pri)
int curPri;
int vpX, vpY, vpWidth, vpHeight;
int spotColorIdx;
GLfloat vpTopAngle, vpBotAngle, fovYDegrees, near, far;
GLfloat vpTopAngle, vpBotAngle, fovYDegrees;
GLfloat scrollFog, scrollAtt;
// Translate address and obtain pointer
@ -848,20 +849,8 @@ void CRender3D::RenderViewport(UINT32 addr, int pri)
vpTopAngle = (float) asin(*(float *)&vpnode[0x0E]); // FOV Y upper half-angle (radians)
vpBotAngle = (float) asin(*(float *)&vpnode[0x12]); // FOV Y lower half-angle
fovYDegrees = (vpTopAngle+vpBotAngle)*(float)(180.0/3.14159265358979323846);
// TO-DO: figure out how near and far planes are stored
if (step >= 0x15)
{
near = 1e-2;
far = 1e5;
}
else
{
// Move near plane out a bit on Step 1.0 to avoid issues w/ Z-fighting.
// This may be unnecessary.
near = 1e-1;
far = 1e5;
}
// TO-DO: investigate clipping planes
// Set up viewport and projection (TO-DO: near and far clipping)
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
@ -872,8 +861,7 @@ void CRender3D::RenderViewport(UINT32 addr, int pri)
viewportY = yOffs + (GLint) ((float)(384-(vpY+vpHeight))*yRatio);
viewportWidth = totalXRes;
viewportHeight = (GLint) ((float)vpHeight*yRatio);
gluPerspective(fovYDegrees,(GLfloat)viewportWidth/(GLfloat)viewportHeight,0.01f,1e5);
//gluPerspective(fovYDegrees,(GLfloat)viewportWidth/(GLfloat)viewportHeight,0.1f,1e5); // use actual full screen ratio to get proper X FOV
gluPerspective(fovYDegrees,(GLfloat)viewportWidth/(GLfloat)viewportHeight,0.1f,1e5); // use actual full screen ratio to get proper X FOV
//printf("viewportX=%d, viewportY=%d, viewportWidth=%d, viewportHeight=%d\tvpY=%d vpHeight=%d\n", viewportX, viewportY, viewportWidth, viewportHeight, vpY,vpHeight);
}
else