// -----------------------------------------------------------------------------------------------------------
//given an CObject and a gun number, return position in 3-space of gun
//fills in gun_point
int CalcGunPoint (CFixVector *vGunPoint, CObject *objP, int nGun)
{
CPolyModel* pm = gameData.models.polyModels [0] + objP->rType.polyObjInfo.nModel;
tRobotInfo* botInfoP;
CFixVector* vGunPoints, vGunPos, vRot;
CFixMatrix m;
int nSubModel; //submodel number
Assert(objP->info.renderType == RT_POLYOBJ || objP->info.renderType == RT_MORPH);
//Assert(objP->info.nId < gameData.bots.nTypes [gameStates.app.bD1Data]);
botInfoP = &ROBOTINFO (objP->info.nId);
if (!(vGunPoints = GetGunPoints (objP, nGun)))
return 0;
vGunPos = vGunPoints [nGun];
nSubModel = botInfoP->gunSubModels [nGun];
//instance up the tree for this gun
while (nSubModel != 0) {
m = CFixMatrix::Create (objP->rType.polyObjInfo.animAngles [nSubModel]);
CFixMatrix::Transpose (m);
vRot = m * vGunPos;
vGunPos = vRot + pm->SubModels ().offsets [nSubModel];
nSubModel = pm->SubModels ().parents [nSubModel];
}
//now instance for the entire CObject
//VmVecInc (&vGunPos, gameData.models.offsets + botInfoP->nModel);
*vGunPoint = *objP->View () * vGunPos;
*vGunPoint += objP->info.position.vPos;
return 1;
}
//draw a polygon model
int DrawPolyModel (
CObject* objP,
CFixVector* pos,
CFixMatrix* orient,
CAngleVector* animAngles,
int nModel,
int flags,
fix light,
fix* glowValues,
tBitmapIndex altTextures [],
tRgbaColorf* colorP)
{
CPolyModel* modelP;
int nTextures, bHires = 0;
if ((gameStates.render.nShadowPass == 2) && !ObjectHasShadow (objP))
return 1;
if (!(modelP = GetPolyModel (objP, pos, nModel, flags))) {
if (!flags && (gameStates.render.nShadowPass != 2) && HaveHiresModel (nModel))
bHires = 1;
else
return gameStates.render.nShadowPass == 2;
}
if (gameStates.render.nShadowPass == 2) {
if (!bHires) {
G3SetModelPoints (gameData.models.polyModelPoints.Buffer ());
G3DrawPolyModelShadow (objP, modelP->Data (), animAngles, nModel);
}
return 1;
}
#if 1//def _DEBUG
if (nModel == nDbgModel)
nDbgModel = nDbgModel;
#endif
nTextures = bHires ? 0 : modelP->LoadTextures (altTextures);
gameStates.ogl.bUseTransform = 1;
G3SetModelPoints (gameData.models.polyModelPoints.Buffer ());
gameData.render.vertP = gameData.models.fPolyModelVerts.Buffer ();
if (!flags) { //draw entire CObject
if (gameStates.app.bNostalgia || !G3RenderModel (objP, nModel, -1, modelP, gameData.models.textures, animAngles, NULL, light, glowValues, colorP)) {
if (bHires) {
gameStates.ogl.bUseTransform = 0;
return 0;
}
if (objP && (objP->info.nType == OBJ_POWERUP)) {
if ((objP->info.nId == POW_SMARTMINE) || (objP->info.nId == POW_PROXMINE))
gameData.models.vScale.Set (I2X (2), I2X (2), I2X (2));
else
gameData.models.vScale.Set (I2X (3) / 2, I2X (3) / 2, I2X (3) / 2);
}
gameStates.ogl.bUseTransform =
(gameStates.app.bEndLevelSequence < EL_OUTSIDE) &&
!(SHOW_DYN_LIGHT && (gameOpts->ogl.bObjLighting || gameOpts->ogl.bLightObjects));
transformation.Begin (*pos, *orient);
G3DrawPolyModel (objP, modelP->Data (), gameData.models.textures, animAngles, NULL, light, glowValues, colorP, NULL, nModel);
transformation.End ();
}
}
else {
CFixVector vOffset;
for (int i = 0; flags > 0; flags >>= 1, i++) {
if ((flags & 1) && (i < modelP->ModelCount ())) {
//if submodel, rotate around its center point, not pivot point
vOffset = CFixVector::Avg (modelP->SubModels ().mins [i], modelP->SubModels ().maxs [i]);
vOffset.Neg ();
if (!G3RenderModel (objP, nModel, i, modelP, gameData.models.textures, animAngles, &vOffset, light, glowValues, colorP)) {
if (bHires) {
gameStates.ogl.bUseTransform = 0;
return 0;
}
#if DBG
G3RenderModel (objP, nModel, i, modelP, gameData.models.textures, animAngles, &vOffset, light, glowValues, colorP);
#endif
transformation.Begin (vOffset);
G3DrawPolyModel (objP, modelP->Data () + modelP->SubModels ().ptrs [i], gameData.models.textures,
animAngles, NULL, light, glowValues, colorP, NULL, nModel);
transformation.End ();
}
}
}
}
gameStates.ogl.bUseTransform = 0;
gameData.render.vertP = NULL;
#if 0
{
g3sPoint p0, p1;
transformation.Transform (&p0.p3_vec, &objP->info.position.vPos);
VmVecSub (&p1.p3_vec, &objP->info.position.vPos, &objP->mType.physInfo.velocity);
transformation.Transform (&p1.p3_vec, &p1.p3_vec);
glLineWidth (20);
glDisable (GL_TEXTURE_2D);
glBegin (GL_LINES);
glColor4d (1.0, 0.5, 0.0, 0.3);
OglVertex3x (p0.p3_vec [X], p0.p3_vec [Y], p0.p3_vec [Z]);
glColor4d (1.0, 0.5, 0.0, 0.1);
OglVertex3x (p1.p3_vec [X], p1.p3_vec [Y], p1.p3_vec [Z]);
glEnd ();
glLineWidth (1);
}
#endif
return 1;
}