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/* This file is part of the Spring engine (GPL v2 or later), see LICENSE.html */
#include "System/mmgr.h"
#include "FPSController.h"
#include "Game/Camera.h"
#include "Game/GlobalUnsynced.h"
#include "Map/Ground.h"
#include "System/Config/ConfigHandler.h"
#include "System/Log/ILog.h"
#include "System/myMath.h"
using std::min;
using std::max;
CONFIG(int, FPSScrollSpeed).defaultValue(10);
CONFIG(float, FPSMouseScale).defaultValue(0.01f);
CONFIG(bool, FPSEnabled).defaultValue(true);
CONFIG(float, FPSFOV).defaultValue(45.0f);
CFPSController::CFPSController()
: oldHeight(300)
{
scrollSpeed = configHandler->GetInt("FPSScrollSpeed") * 0.1f;
mouseScale = configHandler->GetFloat("FPSMouseScale");
enabled = configHandler->GetBool("FPSEnabled");
fov = configHandler->GetFloat("FPSFOV");
}
void CFPSController::KeyMove(float3 move)
{
move *= move.z * 400;
pos += (camera->forward * move.y + camera->right * move.x) * scrollSpeed;
}
void CFPSController::MouseMove(float3 move)
{
camera->rot.y -= mouseScale * move.x;
camera->rot.x -= mouseScale * move.y * move.z;
camera->rot.x = Clamp(camera->rot.x, -PI*0.4999f, PI*0.4999f);
}
void CFPSController::ScreenEdgeMove(float3 move)
{
KeyMove(move);
}
void CFPSController::MouseWheelMove(float move)
{
pos += camera->up * move;
}
float3 CFPSController::GetPos()
{
if (!gu->fpsMode) {
const float margin = 0.01f;
const float xMin = margin;
const float zMin = margin;
const float xMax = (float)(gs->mapx * SQUARE_SIZE) - margin;
const float zMax = (float)(gs->mapy * SQUARE_SIZE) - margin;
pos.x = max(xMin, min(xMax, pos.x));
pos.z = max(zMin, min(zMax, pos.z));
const float gndHeight = ground->GetHeightAboveWater(pos.x, pos.z, false);
const float yMin = gndHeight + 5.0f;
const float yMax = 9000.0f;
pos.y = max(yMin, min(yMax, pos.y));
oldHeight = pos.y - gndHeight;
}
return pos;
}
float3 CFPSController::GetDir()
{
dir.x = (float)(cos(camera->rot.x) * sin(camera->rot.y));
dir.z = (float)(cos(camera->rot.x) * cos(camera->rot.y));
dir.y = (float)(sin(camera->rot.x));
dir.ANormalize();
return dir;
}
void CFPSController::SetPos(const float3& newPos)
{
CCameraController::SetPos(newPos);
if (!gu->fpsMode) {
pos.y = ground->GetHeightAboveWater(pos.x, pos.z, false) + oldHeight;
}
}
void CFPSController::SetDir(const float3& newDir)
{
dir = newDir;
}
float3 CFPSController::SwitchFrom() const
{
return pos;
}
void CFPSController::SwitchTo(bool showText)
{
if (showText) {
LOG("Switching to FPS style camera");
}
}
void CFPSController::GetState(StateMap& sm) const
{
sm["px"] = pos.x;
sm["py"] = pos.y;
sm["pz"] = pos.z;
sm["dx"] = dir.x;
sm["dy"] = dir.y;
sm["dz"] = dir.z;
sm["rx"] = camera->rot.x;
sm["ry"] = camera->rot.y;
sm["rz"] = camera->rot.z;
sm["oldHeight"] = oldHeight;
}
bool CFPSController::SetState(const StateMap& sm)
{
SetStateFloat(sm, "px", pos.x);
SetStateFloat(sm, "py", pos.y);
SetStateFloat(sm, "pz", pos.z);
SetStateFloat(sm, "dx", dir.x);
SetStateFloat(sm, "dy", dir.y);
SetStateFloat(sm, "dz", dir.z);
SetStateFloat(sm, "rx", camera->rot.x);
SetStateFloat(sm, "ry", camera->rot.y);
SetStateFloat(sm, "rz", camera->rot.z);
SetStateFloat(sm, "oldHeight", oldHeight);
return true;
}
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