void FMD3Model::RenderFrame(FTexture * skin, int frameno, int cm, Matrix3x4 *modeltoworld, int translation)
{
if (frameno>=numFrames) return;
MD3Frame * frame = &frames[frameno];
// I can't confirm correctness of this because no model I have tested uses this information
// gl.MatrixMode(GL_MODELVIEW);
// gl.Translatef(frame->origin[0], frame->origin[1], frame->origin[2]);
for(int i=0;i<numSurfaces;i++)
{
MD3Surface * surf = &surfaces[i];
if (!skin)
{
if (surf->numSkins==0) return;
skin = surf->skins[0];
if (!skin) return;
}
FMaterial * tex = FMaterial::ValidateTexture(skin);
tex->Bind(cm, 0, translation);
RenderTriangles(surf, surf->vertices + frameno * surf->numVertices, modeltoworld);
}
}
void FMD3Model::RenderFrame(FTexture * skin, int frameno, int cm, int translation)
{
if (frameno>=numFrames) return;
MD3Frame * frame = &frames[frameno];
// I can't confirm correctness of this because no model I have tested uses this information
// glMatrixMode(GL_MODELVIEW);
// glTranslatef(frame->origin[0], frame->origin[1], frame->origin[2]);
for(int i=0;i<numSurfaces;i++)
{
MD3Surface * surf = &surfaces[i];
// [BB] In case no skin is specified via MODELDEF, check if the MD3 has a skin for the current surface.
// Note: Each surface may have a different skin.
FTexture *surfaceSkin = skin;
if (!surfaceSkin)
{
if (surf->numSkins==0) return;
surfaceSkin = surf->skins[0];
if (!surfaceSkin) return;
}
FMaterial * tex = FMaterial::ValidateTexture(surfaceSkin);
tex->Bind(cm, 0, translation);
RenderTriangles(surf, surf->vertices + frameno * surf->numVertices);
}
}
void FMD3Model::RenderFrameInterpolated(FTexture * skin, int frameno, int frameno2, double inter, int cm, int translation)
{
if (frameno>=numFrames || frameno2>=numFrames) return;
for(int i=0;i<numSurfaces;i++)
{
MD3Surface * surf = &surfaces[i];
// [BB] In case no skin is specified via MODELDEF, check if the MD3 has a skin for the current surface.
// Note: Each surface may have a different skin.
FTexture *surfaceSkin = skin;
if (!surfaceSkin)
{
if (surf->numSkins==0) return;
surfaceSkin = surf->skins[0];
if (!surfaceSkin) return;
}
FMaterial * tex = FMaterial::ValidateTexture(surfaceSkin);
tex->Bind(cm, 0, translation);
MD3Vertex* verticesInterpolated = new MD3Vertex[surfaces[i].numVertices];
MD3Vertex* vertices1 = surf->vertices + frameno * surf->numVertices;
MD3Vertex* vertices2 = surf->vertices + frameno2 * surf->numVertices;
// [BB] Calculate the interpolated vertices by linear interpolation.
for( int k = 0; k < surf->numVertices; k++ )
{
verticesInterpolated[k].x = (1-inter)*vertices1[k].x+ (inter)*vertices2[k].x;
verticesInterpolated[k].y = (1-inter)*vertices1[k].y+ (inter)*vertices2[k].y;
verticesInterpolated[k].z = (1-inter)*vertices1[k].z+ (inter)*vertices2[k].z;
// [BB] Apparently RenderTriangles doesn't use nx, ny, nz, so don't interpolate them.
}
RenderTriangles(surf, verticesInterpolated);
delete[] verticesInterpolated;
}
}
void FMD3Model::RenderFrameInterpolated(FTexture * skin, int frameno, int frameno2, double inter, int cm, Matrix3x4 *modeltoworld, int translation)
{
if (frameno>=numFrames || frameno2>=numFrames) return;
for(int i=0;i<numSurfaces;i++)
{
MD3Surface * surf = &surfaces[i];
if (!skin)
{
if (surf->numSkins==0) return;
skin = surf->skins[0];
if (!skin) return;
}
FMaterial * tex = FMaterial::ValidateTexture(skin);
tex->Bind(cm, 0, translation);
MD3Vertex* verticesInterpolated = new MD3Vertex[surfaces[i].numVertices];
MD3Vertex* vertices1 = surf->vertices + frameno * surf->numVertices;
MD3Vertex* vertices2 = surf->vertices + frameno2 * surf->numVertices;
// [BB] Calculate the interpolated vertices by linear interpolation.
for( int k = 0; k < surf->numVertices; k++ )
{
verticesInterpolated[k].x = (1-inter)*vertices1[k].x+ (inter)*vertices2[k].x;
verticesInterpolated[k].y = (1-inter)*vertices1[k].y+ (inter)*vertices2[k].y;
verticesInterpolated[k].z = (1-inter)*vertices1[k].z+ (inter)*vertices2[k].z;
// [BB] Apparently RenderTriangles doesn't use nx, ny, nz, so don't interpolate them.
}
RenderTriangles(surf, verticesInterpolated, modeltoworld);
delete[] verticesInterpolated;
}
}
