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391
src/entities/Entity.cpp
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391
src/entities/Entity.cpp
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#include "common.h"
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#include "rpworld.h"
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#include "Placeable.h"
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#include "Entity.h"
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#include "Lights.h"
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#include "World.h"
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#include "Camera.h"
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#include "References.h"
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#include "TxdStore.h"
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#include "Zones.h"
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#include "patcher.h"
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int gBuildings;
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void
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CEntity::GetBoundCentre(CVector &out)
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{
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out = m_matrix * CModelInfo::GetModelInfo(m_modelIndex)->GetColModel()->boundingSphere.center;
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};
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bool
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CEntity::GetIsTouching(CVector const ¢er, float radius)
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{
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return sq(GetBoundRadius()+radius) > (GetBoundCentre()-center).MagnitudeSqr();
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}
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bool
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CEntity::GetIsOnScreen(void)
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{
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return TheCamera.IsSphereVisible(GetBoundCentre(), GetBoundRadius(),
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&TheCamera.GetCameraMatrix());
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}
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bool
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CEntity::GetIsOnScreenComplex(void)
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{
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RwV3d boundBox[8];
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if(TheCamera.IsPointVisible(GetBoundCentre(), &TheCamera.GetCameraMatrix()))
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return true;
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CRect rect = GetBoundRect();
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CColModel *colmodel = CModelInfo::GetModelInfo(m_modelIndex)->GetColModel();
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float z = GetPosition().z;
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float minz = z + colmodel->boundingBox.min.z;
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float maxz = z + colmodel->boundingBox.max.z;
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boundBox[0].x = rect.left;
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boundBox[0].y = rect.top;
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boundBox[0].z = minz;
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boundBox[1].x = rect.left;
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boundBox[1].y = rect.bottom;
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boundBox[1].z = minz;
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boundBox[2].x = rect.right;
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boundBox[2].y = rect.top;
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boundBox[2].z = minz;
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boundBox[3].x = rect.right;
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boundBox[3].y = rect.bottom;
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boundBox[3].z = minz;
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boundBox[4].x = rect.left;
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boundBox[4].y = rect.top;
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boundBox[4].z = maxz;
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boundBox[5].x = rect.left;
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boundBox[5].y = rect.bottom;
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boundBox[5].z = maxz;
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boundBox[6].x = rect.right;
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boundBox[6].y = rect.top;
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boundBox[6].z = maxz;
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boundBox[7].x = rect.right;
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boundBox[7].y = rect.bottom;
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boundBox[7].z = maxz;
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return TheCamera.IsBoxVisible(boundBox, &TheCamera.GetCameraMatrix());
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}
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void
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CEntity::Add(void)
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{
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int x, xstart, xmid, xend;
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int y, ystart, ymid, yend;
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CSector *s;
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CPtrList *list;
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CRect bounds = GetBoundRect();
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xstart = CWorld::GetSectorIndexX(bounds.left);
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xend = CWorld::GetSectorIndexX(bounds.right);
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xmid = CWorld::GetSectorIndexX((bounds.left + bounds.right)/2.0f);
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ystart = CWorld::GetSectorIndexY(bounds.bottom);
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yend = CWorld::GetSectorIndexY(bounds.top);
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ymid = CWorld::GetSectorIndexY((bounds.bottom + bounds.top)/2.0f);
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assert(xstart >= 0);
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assert(xend < NUMSECTORS_X);
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assert(ystart >= 0);
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assert(yend < NUMSECTORS_Y);
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for(y = ystart; y <= yend; y++)
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for(x = xstart; x <= xend; x++){
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s = CWorld::GetSector(x, y);
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if(x == xmid && y == ymid) switch(m_type){
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case ENTITY_TYPE_BUILDING:
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list = &s->m_lists[ENTITYLIST_BUILDINGS];
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break;
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case ENTITY_TYPE_VEHICLE:
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list = &s->m_lists[ENTITYLIST_VEHICLES];
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break;
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case ENTITY_TYPE_PED:
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list = &s->m_lists[ENTITYLIST_PEDS];
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break;
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case ENTITY_TYPE_OBJECT:
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list = &s->m_lists[ENTITYLIST_OBJECTS];
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break;
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case ENTITY_TYPE_DUMMY:
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list = &s->m_lists[ENTITYLIST_DUMMIES];
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break;
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}else switch(m_type){
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case ENTITY_TYPE_BUILDING:
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list = &s->m_lists[ENTITYLIST_BUILDINGS_OVERLAP];
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break;
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case ENTITY_TYPE_VEHICLE:
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list = &s->m_lists[ENTITYLIST_VEHICLES_OVERLAP];
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break;
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case ENTITY_TYPE_PED:
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list = &s->m_lists[ENTITYLIST_PEDS_OVERLAP];
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break;
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case ENTITY_TYPE_OBJECT:
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list = &s->m_lists[ENTITYLIST_OBJECTS_OVERLAP];
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break;
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case ENTITY_TYPE_DUMMY:
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list = &s->m_lists[ENTITYLIST_DUMMIES_OVERLAP];
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break;
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}
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list->InsertItem(this);
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}
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}
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void
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CEntity::Remove(void)
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{
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int x, xstart, xmid, xend;
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int y, ystart, ymid, yend;
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CSector *s;
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CPtrList *list;
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CRect bounds = GetBoundRect();
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xstart = CWorld::GetSectorIndexX(bounds.left);
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xend = CWorld::GetSectorIndexX(bounds.right);
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xmid = CWorld::GetSectorIndexX((bounds.left + bounds.right)/2.0f);
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ystart = CWorld::GetSectorIndexY(bounds.bottom);
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yend = CWorld::GetSectorIndexY(bounds.top);
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ymid = CWorld::GetSectorIndexY((bounds.bottom + bounds.top)/2.0f);
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assert(xstart >= 0);
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assert(xend < NUMSECTORS_X);
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assert(ystart >= 0);
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assert(yend < NUMSECTORS_Y);
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for(y = ystart; y <= yend; y++)
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for(x = xstart; x <= xend; x++){
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s = CWorld::GetSector(x, y);
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if(x == xmid && y == ymid) switch(m_type){
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case ENTITY_TYPE_BUILDING:
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list = &s->m_lists[ENTITYLIST_BUILDINGS];
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break;
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case ENTITY_TYPE_VEHICLE:
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list = &s->m_lists[ENTITYLIST_VEHICLES];
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break;
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case ENTITY_TYPE_PED:
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list = &s->m_lists[ENTITYLIST_PEDS];
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break;
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case ENTITY_TYPE_OBJECT:
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list = &s->m_lists[ENTITYLIST_OBJECTS];
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break;
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case ENTITY_TYPE_DUMMY:
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list = &s->m_lists[ENTITYLIST_DUMMIES];
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break;
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}else switch(m_type){
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case ENTITY_TYPE_BUILDING:
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list = &s->m_lists[ENTITYLIST_BUILDINGS_OVERLAP];
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break;
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case ENTITY_TYPE_VEHICLE:
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list = &s->m_lists[ENTITYLIST_VEHICLES_OVERLAP];
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break;
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case ENTITY_TYPE_PED:
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list = &s->m_lists[ENTITYLIST_PEDS_OVERLAP];
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break;
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case ENTITY_TYPE_OBJECT:
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list = &s->m_lists[ENTITYLIST_OBJECTS_OVERLAP];
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break;
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case ENTITY_TYPE_DUMMY:
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list = &s->m_lists[ENTITYLIST_DUMMIES_OVERLAP];
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break;
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}
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list->RemoveItem(this);
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}
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}
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void
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CEntity::CreateRwObject(void)
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{
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CBaseModelInfo *mi;
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mi = CModelInfo::GetModelInfo(m_modelIndex);
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m_rwObject = mi->CreateInstance();
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if(m_rwObject){
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if(IsBuilding())
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gBuildings++;
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if(RwObjectGetType(m_rwObject) == rpATOMIC)
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m_matrix.AttachRW(RwFrameGetMatrix(RpAtomicGetFrame(m_rwObject)), false);
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else if(RwObjectGetType(m_rwObject) == rpCLUMP)
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m_matrix.AttachRW(RwFrameGetMatrix(RpClumpGetFrame(m_rwObject)), false);
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mi->AddRef();
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}
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}
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void
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CEntity::DeleteRwObject(void)
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{
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RwFrame *f;
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m_matrix.Detach();
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if(m_rwObject){
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if(RwObjectGetType(m_rwObject) == rpATOMIC){
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f = RpAtomicGetFrame(m_rwObject);
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RpAtomicDestroy((RpAtomic*)m_rwObject);
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RwFrameDestroy(f);
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}else if(RwObjectGetType(m_rwObject) == rpCLUMP)
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RpClumpDestroy((RpClump*)m_rwObject);
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m_rwObject = nil;
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CModelInfo::GetModelInfo(m_modelIndex)->RemoveRef();
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if(IsBuilding())
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gBuildings--;
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}
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}
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void
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CEntity::UpdateRwFrame(void)
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{
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if(m_rwObject){
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if(RwObjectGetType(m_rwObject) == rpATOMIC)
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RwFrameUpdateObjects(RpAtomicGetFrame(m_rwObject));
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else if(RwObjectGetType(m_rwObject) == rpCLUMP)
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RwFrameUpdateObjects(RpClumpGetFrame(m_rwObject));
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}
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}
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void
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CEntity::SetupBigBuilding(void)
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{
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CSimpleModelInfo *mi;
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mi = (CSimpleModelInfo*)CModelInfo::GetModelInfo(m_modelIndex);
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bIsBIGBuilding = true;
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m_flagC20 = true;
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bUsesCollision = false;
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m_level = CTheZones::GetLevelFromPosition(GetPosition());
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if(m_level == LEVEL_NONE){
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if(mi->GetTxdSlot() != CTxdStore::FindTxdSlot("generic")){
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mi->SetTexDictionary("generic");
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printf("%d:%s txd has been set to generic\n", m_modelIndex, mi->GetName());
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}
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}
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if(mi->m_lodDistances[0] > 2000.0f)
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m_level = LEVEL_NONE;
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}
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CRect
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CEntity::GetBoundRect(void)
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{
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CRect rect;
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CVector v;
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CColModel *col = CModelInfo::GetModelInfo(m_modelIndex)->GetColModel();
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rect.ContainPoint(m_matrix * col->boundingBox.min);
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rect.ContainPoint(m_matrix * col->boundingBox.max);
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v = col->boundingBox.min;
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v.x = col->boundingBox.max.x;
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rect.ContainPoint(m_matrix * v);
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v = col->boundingBox.max;
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v.x = col->boundingBox.min.x;
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rect.ContainPoint(m_matrix * v);
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return rect;
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}
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void
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CEntity::PreRender(void)
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{
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}
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void
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CEntity::Render(void)
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{
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if(m_rwObject){
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bImBeingRendered = true;
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if(RwObjectGetType(m_rwObject) == rpATOMIC)
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RpAtomicRender((RpAtomic*)m_rwObject);
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else
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RpClumpRender((RpClump*)m_rwObject);
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bImBeingRendered = false;
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}
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}
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bool
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CEntity::SetupLighting(void)
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{
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DeActivateDirectional();
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SetAmbientColours();
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return false;
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}
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void
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CEntity::RegisterReference(CEntity **pent)
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{
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if(IsBuilding())
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return;
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CReference *ref;
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// check if already registered
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for(ref = m_pFirstReference; ref; ref = ref->next)
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if(ref->pentity == pent)
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return;
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// have to allocate new reference
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ref = CReferences::pEmptyList;
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if(ref){
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CReferences::pEmptyList = ref->next;
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ref->pentity = pent;
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ref->next = m_pFirstReference;
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m_pFirstReference = ref;
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return;
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}
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return;
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}
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// Clear all references to this entity
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void
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CEntity::ResolveReferences(void)
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{
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CReference *ref;
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// clear pointers to this entity
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for(ref = m_pFirstReference; ref; ref = ref->next)
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if(*ref->pentity == this)
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*ref->pentity = nil;
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// free list
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if(m_pFirstReference){
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for(ref = m_pFirstReference; ref->next; ref = ref->next)
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;
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ref->next = CReferences::pEmptyList;
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CReferences::pEmptyList = ref;
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m_pFirstReference = nil;
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}
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}
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// Free all references that no longer point to this entity
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void
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CEntity::PruneReferences(void)
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{
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CReference *ref, *next, **lastnextp;
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lastnextp = &m_pFirstReference;
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for(ref = m_pFirstReference; ref; ref = next){
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next = ref->next;
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if(*ref->pentity == this)
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lastnextp = &ref->next;
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else{
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*lastnextp = ref->next;
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ref->next = CReferences::pEmptyList;
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CReferences::pEmptyList = ref;
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}
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}
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}
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STARTPATCHES
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InjectHook(0x4742C0, (void (CEntity::*)(CVector&))&CEntity::GetBoundCentre, PATCH_JUMP);
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InjectHook(0x474310, &CEntity::GetBoundRadius, PATCH_JUMP);
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InjectHook(0x474C10, &CEntity::GetIsTouching, PATCH_JUMP);
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InjectHook(0x474CC0, &CEntity::GetIsOnScreen, PATCH_JUMP);
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InjectHook(0x474D20, &CEntity::GetIsOnScreenComplex, PATCH_JUMP);
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InjectHook(0x474CA0, &CEntity::IsVisible, PATCH_JUMP);
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InjectHook(0x474330, &CEntity::UpdateRwFrame, PATCH_JUMP);
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InjectHook(0x4755E0, &CEntity::SetupBigBuilding, PATCH_JUMP);
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InjectHook(0x4A7480, &CEntity::RegisterReference, PATCH_JUMP);
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InjectHook(0x4A74E0, &CEntity::ResolveReferences, PATCH_JUMP);
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InjectHook(0x4A7530, &CEntity::PruneReferences, PATCH_JUMP);
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InjectHook(0x475080, &CEntity::Add_, PATCH_JUMP);
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InjectHook(0x475310, &CEntity::Remove_, PATCH_JUMP);
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InjectHook(0x473EA0, &CEntity::CreateRwObject_, PATCH_JUMP);
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InjectHook(0x473F90, &CEntity::DeleteRwObject_, PATCH_JUMP);
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InjectHook(0x474000, &CEntity::GetBoundRect_, PATCH_JUMP);
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InjectHook(0x474BD0, &CEntity::Render_, PATCH_JUMP);
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InjectHook(0x4A7C60, &CEntity::SetupLighting_, PATCH_JUMP);
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ENDPATCHES
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