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/* This file is part of the Spring engine (GPL v2 or later), see LICENSE.html */
#include "System/creg/STL_Map.h"
#include "GeometricObjects.h"
#include "Map/ReadMap.h"
#include "Sim/Projectiles/ProjectileHandler.h"
#include "Sim/Projectiles/ProjectileMemPool.h"
#include "Rendering/Env/Particles/Classes/GeoSquareProjectile.h"
CR_BIND(CGeometricObjects, )
CR_BIND(CGeometricObjects::GeoGroup, )
CR_REG_METADATA(CGeometricObjects, (
CR_MEMBER(geoGroups),
CR_MEMBER(timedGroups),
CR_MEMBER(firstFreeGroup)
))
CR_REG_METADATA_SUB(CGeometricObjects, GeoGroup, (CR_MEMBER(squares)))
CGeometricObjects* geometricObjects;
CGeometricObjects::~CGeometricObjects()
{
timedGroups.clear();
while (!geoGroups.empty()) {
DeleteGroup(geoGroups.begin()->first);
}
}
int CGeometricObjects::AddSpline(float3 b1, float3 b2, float3 b3, float3 b4, float width, int arrow, int lifeTime, int group)
{
if (group == 0)
group = firstFreeGroup++;
float3 old1, old2;
old1 = CalcSpline(0.00f, b1, b2, b3, b4);
old2 = CalcSpline(0.05f, b1, b2, b3, b4);
for (int a = 0; a < 20; ++a) {
const float3 np = CalcSpline(a*0.05f + 0.1f, b1, b2, b3, b4);
const float3 dir1 = (old2 - old1).ANormalize();
const float3 dir2 = (np - old2).ANormalize();
float w1, w2;
if ((arrow == 1) && (a == 19)) {
w1 = width;
w2 = 0;
} else {
w1 = width * 0.5f;
w2 = w1;
}
CGeoSquareProjectile* gsp = projMemPool.alloc<CGeoSquareProjectile>(old1, old2, dir1, dir2, w1, w2);
geoGroups[group].squares.push_back(gsp);
old1 = old2;
old2 = np;
}
if (lifeTime > 0)
timedGroups[gs->frameNum + lifeTime].push_back(group);
return group;
}
void CGeometricObjects::DeleteGroup(int group)
{
GeoGroup* gg = &geoGroups[group];
for (auto gi = gg->squares.begin(); gi != gg->squares.end(); ++gi) {
(*gi)->deleteMe = true;
}
geoGroups.erase(group);
}
void CGeometricObjects::SetColor(int group, float r, float g, float b, float a)
{
GeoGroup* gg = &geoGroups[group];
for (auto gi = gg->squares.begin(); gi != gg->squares.end(); ++gi) {
(*gi)->SetColor(r, g, b, a);
}
}
float3 CGeometricObjects::CalcSpline(float i, const float3& p1, const float3& p2, const float3& p3, const float3& p4)
{
float ni = 1 - i;
float3 res = p1*ni*ni*ni + p2*3*i*ni*ni + p3*3*i*i*ni + p4*i*i*i;
return res;
}
int CGeometricObjects::AddLine(float3 start, float3 end, float width, int arrow, int lifetime, int group)
{
if (group == 0)
group = firstFreeGroup++;
float3 dir = (end - start).SafeANormalize();
if (arrow) {
CGeoSquareProjectile* gsp = projMemPool.alloc<CGeoSquareProjectile>(start, start*0.2f + end*0.8f, dir, dir, width*0.5f, width*0.5f);
geoGroups[group].squares.push_back(gsp);
gsp = projMemPool.alloc<CGeoSquareProjectile>(start*0.2f + end*0.8f, end, dir, dir, width, 0);
geoGroups[group].squares.push_back(gsp);
} else {
CGeoSquareProjectile* gsp = projMemPool.alloc<CGeoSquareProjectile>(start, end, dir, dir, width*0.5f, width*0.5f);
geoGroups[group].squares.push_back(gsp);
}
if (lifetime > 0)
timedGroups[gs->frameNum + lifetime].push_back(group);
return group;
}
void CGeometricObjects::Update()
{
const auto iter = timedGroups.find(gs->frameNum);
if (iter == timedGroups.end())
return;
for (const int groupID: iter->second) {
DeleteGroup(groupID);
}
timedGroups.erase(iter->first);
}
void CGeometricObjects::MarkSquare(int mapSquare)
{
float3 startPos;
startPos.x = (int) (mapSquare * SQUARE_SIZE) % mapDims.mapx;
startPos.z = (int) (mapSquare * SQUARE_SIZE) / mapDims.mapx;
startPos.y = readMap->GetCenterHeightMapSynced()[mapSquare];
float3 endPos = startPos;
endPos.x += SQUARE_SIZE;
endPos.z += SQUARE_SIZE;
AddLine(startPos, endPos, 3, 0, 1000);
startPos.x += SQUARE_SIZE;
endPos.x -= SQUARE_SIZE;
AddLine(startPos, endPos, 3, 0, 1000);
}
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