#include <Assert.h>#include <Windows.h>#include "GBSPFile.h"Go to the source code of this file.
Functions | |
| geBoolean GENESISCC | Plane_SetEngine (geEngine *Engine) |
| geBoolean GENESISCC | Plane_SetWorld (geWorld *World) |
| geBoolean GENESISCC | Plane_SetGBSP (World_BSP *BSP) |
| int32 GENESISCC | Plane_FindLeaf (const geWorld *World, int32 Node, const geVec3d *POV) |
| geFloat GENESISCC | Plane_PlaneDistanceFast (const GFX_Plane *Plane, const geVec3d *Point) |
| geFloat GENESISCC | Plane_FaceDistanceFast (const GFX_Face *Face, const geVec3d *Point) |
| geFloat GENESISCC | Plane_PlaneDistance (const GFX_Plane *Plane, const geVec3d *Point) |
| void | gePlane_SetFromVerts (GFX_Plane *Plane, const geVec3d *V1, const geVec3d *V2, const geVec3d *V3) |
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Definition at line 207 of file Plane.c. References GFX_Plane::Dist, geVec3d_CrossProduct(), geVec3d_DotProduct(), geVec3d_Normalize(), geVec3d_Subtract(), GFX_Plane::Normal, PLANE_ANY, GFX_Plane::Type, V1, and V2. Referenced by RenderFace().
00208 {
00209 geVec3d Vect1, Vect2;
00210
00211 // Get the 2 vectors to derive the normal
00212 geVec3d_Subtract(V1, V2, &Vect1);
00213 geVec3d_Subtract(V3, V2, &Vect2);
00214
00215 // The normal is the cross between these 2 vectors
00216 geVec3d_CrossProduct(&Vect1, &Vect2, &Plane->Normal);
00217 geVec3d_Normalize(&Plane->Normal);
00218
00219 // Get the planes distance from the origin, by projecting a vert on the plane
00220 // along the plane normal, to the origin...
00221 Plane->Dist = geVec3d_DotProduct(V1, &Plane->Normal);
00222
00223 // Finally, get the plane type
00224 Plane->Type = PLANE_ANY;
00225 }
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Definition at line 167 of file Plane.c. References BSPData, GFX_Plane::Dist, geFloat, GENESISCC, geVec3d_DotProduct(), GBSP_BSPData::GFXPlanes, GFX_Plane::Normal, NULL, PLANE_X, PLANE_Y, PLANE_Z, GFX_Face::PlaneNum, GFX_Face::PlaneSide, GFX_Plane::Type, geVec3d::X, geVec3d::Y, and geVec3d::Z.
00168 {
00169 geFloat Dist, PDist;
00170 GFX_Plane *Plane;
00171
00172 assert(Face != NULL);
00173 assert(Point != NULL);
00174
00175 assert(BSPData != NULL);
00176 assert(BSPData->GFXPlanes != NULL);
00177
00178 Plane = &BSPData->GFXPlanes[Face->PlaneNum];
00179 PDist = Plane->Dist;
00180
00181 switch (Plane->Type)
00182 {
00183 case PLANE_X:
00184 Dist = (Point->X - PDist);
00185 break;
00186 case PLANE_Y:
00187 Dist = (Point->Y - PDist);
00188 break;
00189 case PLANE_Z:
00190 Dist = (Point->Z - PDist);
00191 break;
00192
00193 default:
00194 Dist = geVec3d_DotProduct(Point, &Plane->Normal) - PDist;
00195 break;
00196 }
00197
00198 if (Face->PlaneSide)
00199 Dist = -Dist;
00200
00201 return Dist;
00202 }
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Definition at line 84 of file Plane.c. References World_BSP::BSPData, GFX_Node::Children, geWorld::CurrentBSP, geFloat, GENESISCC, GBSP_BSPData::GFXNodes, GBSP_BSPData::GFXPlanes, int32, and Plane_PlaneDistanceFast(). Referenced by geWorld_GetLeaf(), geWorld_LinkPolyToLeaf(), and Vis_VisWorld().
00085 {
00086 geFloat Dist;
00087 GFX_Node *GFXNodes;
00088 GFX_Plane *GFXPlanes;
00089 int32 Leaf;
00090
00091 GFXNodes = World->CurrentBSP->BSPData.GFXNodes;
00092 GFXPlanes = World->CurrentBSP->BSPData.GFXPlanes;
00093
00094 while (Node >= 0)
00095 {
00096 assert(Node >= 0 && Node < World->CurrentBSP->BSPData.NumGFXNodes);
00097
00098 Dist = Plane_PlaneDistanceFast(&GFXPlanes[GFXNodes[Node].PlaneNum], POV);
00099
00100 if (Dist < 0)
00101 Node = GFXNodes[Node].Children[1];
00102 else
00103 Node = GFXNodes[Node].Children[0];
00104 }
00105
00106 // We are now in a leaf
00107 Leaf = -(Node+1);
00108
00109 assert(Leaf >=0 && Leaf < World->CurrentBSP->BSPData.NumGFXLeafs);
00110
00111 return Leaf;
00112 }
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Definition at line 151 of file Plane.c. References GFX_Plane::Dist, geFloat, GENESISCC, geVec3d_DotProduct(), GFX_Plane::Normal, and NULL.
00152 {
00153 geFloat Dist;
00154
00155 assert(Plane != NULL);
00156 assert(Point != NULL);
00157
00158 Dist = geVec3d_DotProduct(Point, &Plane->Normal) - Plane->Dist;
00159
00160 return Dist;
00161 }
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Definition at line 118 of file Plane.c. References GFX_Plane::Dist, geFloat, GENESISCC, geVec3d_DotProduct(), GFX_Plane::Normal, NULL, PLANE_X, PLANE_Y, PLANE_Z, GFX_Plane::Type, geVec3d::X, geVec3d::Y, and geVec3d::Z. Referenced by BSPIntersect(), BSPIntersectMisc(), BSPIntersectMisc2(), IntersectLeafSides_r(), Plane_FindBNodeContents(), Plane_FindLeaf(), PointInLeafSides(), RenderBSPFrontBack_r(), RenderBSPFrontBack_r2(), SetupDynamicLight_r(), Trace_CollideBeam(), and Trace_IntersectWorldBSP().
00119 {
00120 geFloat Dist, PDist;
00121
00122 assert(Plane != NULL);
00123 assert(Point != NULL);
00124
00125 PDist = Plane->Dist;
00126
00127 switch (Plane->Type)
00128 {
00129 case PLANE_X:
00130 Dist = (Point->X - PDist);
00131 break;
00132 case PLANE_Y:
00133 Dist = (Point->Y - PDist);
00134 break;
00135 case PLANE_Z:
00136 Dist = (Point->Z - PDist);
00137 break;
00138
00139 default:
00140 Dist = geVec3d_DotProduct(Point, &Plane->Normal) - PDist;
00141 break;
00142 }
00143
00144 return Dist;
00145 }
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Definition at line 46 of file Plane.c. References CEngine, Engine, GE_TRUE, geBoolean, GENESISCC, and NULL. Referenced by World_SetEngine().
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Definition at line 71 of file Plane.c. References World_BSP::BSPData, BSPData, GE_TRUE, geBoolean, GENESISCC, and NULL. Referenced by World_SetGBSP().
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Definition at line 59 of file Plane.c. References CWorld, GE_TRUE, geBoolean, GENESISCC, and NULL. Referenced by World_SetWorld().
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1.3.2