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/* This file is part of the Spring engine (GPL v2 or later), see LICENSE.html */
#ifndef MOVEDEF_HANDLER_H
#define MOVEDEF_HANDLER_H
#include <array>
#include <string>
#include "System/float3.h"
#include "System/type2.h"
#include "System/UnorderedMap.hpp"
#include "System/creg/creg_cond.h"
class MoveDefHandler;
class CSolidObject;
class LuaTable;
struct MoveDef {
CR_DECLARE_STRUCT(MoveDef)
MoveDef();
MoveDef(const LuaTable& moveDefTable);
MoveDef(const MoveDef& moveDef) = delete;
MoveDef(MoveDef&& moveDef) = default;
MoveDef& operator = (const MoveDef& moveDef) = delete;
MoveDef& operator = (MoveDef&& moveDef) = default;
bool TestMoveSquareRange(
const CSolidObject* collider,
const float3 rangeMins,
const float3 rangeMaxs,
const float3 testMoveDir,
bool testTerrain = true,
bool testObjects = true,
bool centerOnly = false,
float* minSpeedModPtr = nullptr,
int* maxBlockBitPtr = nullptr
) const;
bool TestMoveSquare(
const CSolidObject* collider,
const float3 testMovePos,
const float3 testMoveDir,
bool testTerrain = true,
bool testObjects = true,
bool centerOnly = false,
float* minSpeedModPtr = nullptr,
int* maxBlockBitPtr = nullptr
) const {
return (TestMoveSquareRange(collider, testMovePos, testMovePos, testMoveDir, testTerrain, testObjects, centerOnly, minSpeedModPtr, maxBlockBitPtr));
}
// aircraft and buildings defer to UnitDef::floatOnWater
bool FloatOnWater() const { return (speedModClass == MoveDef::Hover || speedModClass == MoveDef::Ship); }
float2 GetFootPrint(float scale) const { return {xsize * scale, zsize * scale}; }
float CalcFootPrintMinExteriorRadius(float scale = 1.0f) const; // radius minimally bounding the footprint
float CalcFootPrintMaxInteriorRadius(float scale = 1.0f) const; // radius maximally bounded by the footprint
float CalcFootPrintAxisStretchFactor() const; // 0 for square-shaped footprints, 1 for (impossible) line-shaped footprints
float GetDepthMod(float height) const;
unsigned int CalcCheckSum() const;
static float GetDefaultMinWaterDepth() { return -1e6f; }
static float GetDefaultMaxWaterDepth() { return +1e6f; }
/// determines which of the {tank,kbot,hover,ship}Speed
/// modifiers this MoveDef receives from a terrain-type
enum SpeedModClass {
Tank = 0,
KBot = 1,
Hover = 2,
Ship = 3
};
enum TerrainClass {
Land = 0, /// we are restricted to "land" (terrain with height >= 0)
Water = 1, /// we are restricted to "water" (terrain with height < 0)
Mixed = 2, /// we can exist at heights both greater and smaller than 0
};
enum DepthModParams {
DEPTHMOD_MIN_HEIGHT = 0,
DEPTHMOD_MAX_HEIGHT = 1,
DEPTHMOD_MAX_SCALE = 2,
DEPTHMOD_QUA_COEFF = 3,
DEPTHMOD_LIN_COEFF = 4,
DEPTHMOD_CON_COEFF = 5,
DEPTHMOD_NUM_PARAMS = 6,
};
enum SpeedModMults {
SPEEDMOD_MOBILE_IDLE_MULT = 0,
SPEEDMOD_MOBILE_BUSY_MULT = 1,
SPEEDMOD_MOBILE_MOVE_MULT = 2,
SPEEDMOD_MOBILE_NUM_MULTS = 3,
};
std::string name;
#pragma pack(push, 1)
SpeedModClass speedModClass = MoveDef::Tank;
TerrainClass terrainClass = MoveDef::Mixed;
unsigned int pathType = 0;
/// of the footprint
int xsize = 0, xsizeh = 0;
int zsize = 0, zsizeh = 0;
/// minWaterDepth for ships, maxWaterDepth otherwise
/// controls movement and (un-)loading constraints
float depth = 0.0f;
float depthModParams[DEPTHMOD_NUM_PARAMS];
float maxSlope = 1.0f;
float slopeMod = 0.0f;
float crushStrength = 0.0f;
// PF speedmod-multipliers for squares blocked by mobile units
// (which can respectively be "idle" == non-moving and have no
// orders, "busy" == non-moving but have orders, or "moving")
// NOTE:
// includes one extra padding element to make the moveMath
// member start on an 8-byte boundary for 64-bit platforms
float speedModMults[SPEEDMOD_MOBILE_NUM_MULTS + 1];
/// heatmap path-cost modifier
float heatMod = 0.05f;
float flowMod = 1.0f;
/// heat produced by a path per tick
int heatProduced = 30;
/// do we stick to the ground when in water?
bool followGround = true;
/// are we supposed to be a purely sub-surface ship?
bool isSubmarine = false;
/// do we try to pathfind around squares blocked by mobile units?
///
/// this also serves as a padding byte for alignment so compiler
/// does not insert it (GetCheckSum would need to skip such bytes
/// otherwise, since they are never initialized)
bool avoidMobilesOnPath = true;
bool allowTerrainCollisions = true;
bool allowRawMovement = false;
/// do we leave heat and avoid any left by others?
bool heatMapping = true;
bool flowMapping = true;
#pragma pack(pop)
};
class LuaParser;
class MoveDefHandler
{
CR_DECLARE_STRUCT(MoveDefHandler)
public:
void Init(LuaParser* defsParser);
void Kill() {
nameMap.clear(); // never iterated
mdCounter = 0;
mdChecksum = 0;
}
MoveDef* GetMoveDefByPathType(unsigned int pathType) { return &moveDefs[pathType]; }
MoveDef* GetMoveDefByName(const std::string& name);
unsigned int GetNumMoveDefs() const { return mdCounter; }
unsigned int GetCheckSum() const { return mdChecksum; }
private:
std::array<MoveDef, 256> moveDefs;
spring::unordered_map<unsigned int, int> nameMap;
unsigned int mdCounter = 0;
unsigned int mdChecksum = 0;
};
extern MoveDefHandler moveDefHandler;
#endif // MOVEDEF_HANDLER_H
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