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vcmi/client/battle/BattleAnimationClasses.h
2022-12-25 21:39:55 +02:00

368 lines
10 KiB
C++

/*
* BattleAnimations.h, part of VCMI engine
*
* Authors: listed in file AUTHORS in main folder
*
* License: GNU General Public License v2.0 or later
* Full text of license available in license.txt file, in main folder
*
*/
#pragma once
#include "../../lib/battle/BattleHex.h"
#include "../gui/Geometries.h"
#include "BattleConstants.h"
VCMI_LIB_NAMESPACE_BEGIN
class CStack;
class CCreature;
class CSpell;
VCMI_LIB_NAMESPACE_END
struct SDL_Color;
class ColorFilter;
class BattleHero;
class CAnimation;
class BattleInterface;
class CreatureAnimation;
struct StackAttackedInfo;
struct Point;
/// Base class of battle animations
class BattleAnimation
{
protected:
BattleInterface & owner;
bool initialized;
std::vector<BattleAnimation *> & pendingAnimations();
std::shared_ptr<CreatureAnimation> stackAnimation(const CStack * stack) const;
bool stackFacingRight(const CStack * stack);
void setStackFacingRight(const CStack * stack, bool facingRight);
virtual bool init() = 0; //to be called - if returned false, call again until returns true
public:
ui32 ID; //unique identifier
bool isInitialized();
bool tryInitialize();
virtual void nextFrame() {} //call every new frame
virtual ~BattleAnimation();
BattleAnimation(BattleInterface & owner);
};
/// Sub-class which is responsible for managing the battle stack animation.
class BattleStackAnimation : public BattleAnimation
{
public:
std::shared_ptr<CreatureAnimation> myAnim; //animation for our stack, managed by BattleInterface
const CStack * stack; //id of stack whose animation it is
BattleStackAnimation(BattleInterface & owner, const CStack * _stack);
void rotateStack(BattleHex hex);
};
class StackActionAnimation : public BattleStackAnimation
{
ECreatureAnimType nextGroup;
ECreatureAnimType currGroup;
std::string sound;
public:
void setNextGroup( ECreatureAnimType group );
void setGroup( ECreatureAnimType group );
void setSound( std::string sound );
ECreatureAnimType getGroup() const;
StackActionAnimation(BattleInterface & owner, const CStack * _stack);
~StackActionAnimation();
bool init() override;
};
/// Animation of a defending unit
class DefenceAnimation : public StackActionAnimation
{
public:
DefenceAnimation(BattleInterface & owner, const CStack * stack);
};
/// Animation of a hit unit
class HittedAnimation : public StackActionAnimation
{
public:
HittedAnimation(BattleInterface & owner, const CStack * stack);
};
/// Animation of a dying unit
class DeathAnimation : public StackActionAnimation
{
public:
DeathAnimation(BattleInterface & owner, const CStack * stack, bool ranged);
};
/// Resurrects stack from dead state
class ResurrectionAnimation : public StackActionAnimation
{
public:
ResurrectionAnimation(BattleInterface & owner, const CStack * _stack);
};
class ColorTransformAnimation : public BattleStackAnimation
{
std::vector<ColorFilter> steps;
std::vector<float> timePoints;
const CSpell * spell;
float totalProgress;
bool init() override;
void nextFrame() override;
public:
ColorTransformAnimation(BattleInterface & owner, const CStack * _stack, const std::string & colorFilterName, const CSpell * spell);
};
/// Base class for all animations that play during stack movement
class StackMoveAnimation : public BattleStackAnimation
{
public:
BattleHex nextHex;
BattleHex prevHex;
protected:
StackMoveAnimation(BattleInterface & owner, const CStack * _stack, BattleHex prevHex, BattleHex nextHex);
};
/// Move animation of a creature
class MovementAnimation : public StackMoveAnimation
{
private:
std::vector<BattleHex> destTiles; //full path, includes already passed hexes
ui32 curentMoveIndex; // index of nextHex in destTiles
double begX, begY; // starting position
double distanceX, distanceY; // full movement distance, may be negative if creture moves topleft
double timeToMove; // full length of movement animation
double progress; // range 0 -> 1, indicates move progrees. 0 = movement starts, 1 = move ends
public:
bool init() override;
void nextFrame() override;
MovementAnimation(BattleInterface & owner, const CStack *_stack, std::vector<BattleHex> _destTiles, int _distance);
~MovementAnimation();
};
/// Move end animation of a creature
class MovementEndAnimation : public StackMoveAnimation
{
public:
bool init() override;
MovementEndAnimation(BattleInterface & owner, const CStack * _stack, BattleHex destTile);
~MovementEndAnimation();
};
/// Move start animation of a creature
class MovementStartAnimation : public StackMoveAnimation
{
public:
bool init() override;
MovementStartAnimation(BattleInterface & owner, const CStack * _stack);
};
/// Class responsible for animation of stack chaning direction (left <-> right)
class ReverseAnimation : public StackMoveAnimation
{
void setupSecondPart();
public:
bool init() override;
ReverseAnimation(BattleInterface & owner, const CStack * stack, BattleHex dest);
};
/// This class is responsible for managing the battle attack animation
class AttackAnimation : public StackActionAnimation
{
protected:
BattleHex dest; //attacked hex
const CStack *defendingStack;
const CStack *attackingStack;
int attackingStackPosBeforeReturn; //for stacks with return_after_strike feature
const CCreature * getCreature() const;
ECreatureAnimType findValidGroup( const std::vector<ECreatureAnimType> candidates ) const;
public:
AttackAnimation(BattleInterface & owner, const CStack *attacker, BattleHex _dest, const CStack *defender);
};
/// Hand-to-hand attack
class MeleeAttackAnimation : public AttackAnimation
{
ECreatureAnimType getUpwardsGroup(bool multiAttack) const;
ECreatureAnimType getForwardGroup(bool multiAttack) const;
ECreatureAnimType getDownwardsGroup(bool multiAttack) const;
ECreatureAnimType selectGroup(bool multiAttack);
public:
MeleeAttackAnimation(BattleInterface & owner, const CStack * attacker, BattleHex _dest, const CStack * _attacked, bool multiAttack);
void nextFrame() override;
};
class RangedAttackAnimation : public AttackAnimation
{
void setAnimationGroup();
void initializeProjectile();
void emitProjectile();
void emitExplosion();
protected:
bool projectileEmitted;
virtual ECreatureAnimType getUpwardsGroup() const = 0;
virtual ECreatureAnimType getForwardGroup() const = 0;
virtual ECreatureAnimType getDownwardsGroup() const = 0;
virtual void createProjectile(const Point & from, const Point & dest) const = 0;
virtual uint32_t getAttackClimaxFrame() const = 0;
public:
RangedAttackAnimation(BattleInterface & owner, const CStack * attacker, BattleHex dest, const CStack * defender);
~RangedAttackAnimation();
bool init() override;
void nextFrame() override;
};
/// Shooting attack
class ShootingAnimation : public RangedAttackAnimation
{
ECreatureAnimType getUpwardsGroup() const override;
ECreatureAnimType getForwardGroup() const override;
ECreatureAnimType getDownwardsGroup() const override;
void createProjectile(const Point & from, const Point & dest) const override;
uint32_t getAttackClimaxFrame() const override;
public:
ShootingAnimation(BattleInterface & owner, const CStack * attacker, BattleHex dest, const CStack * defender);
};
/// Catapult attack
class CatapultAnimation : public ShootingAnimation
{
private:
bool explosionEmitted;
int catapultDamage;
public:
CatapultAnimation(BattleInterface & owner, const CStack * attacker, BattleHex dest, const CStack * defender, int _catapultDmg = 0);
void createProjectile(const Point & from, const Point & dest) const override;
void nextFrame() override;
};
class CastAnimation : public RangedAttackAnimation
{
const CSpell * spell;
ECreatureAnimType getUpwardsGroup() const override;
ECreatureAnimType getForwardGroup() const override;
ECreatureAnimType getDownwardsGroup() const override;
void createProjectile(const Point & from, const Point & dest) const override;
uint32_t getAttackClimaxFrame() const override;
public:
CastAnimation(BattleInterface & owner, const CStack * attacker, BattleHex dest_, const CStack * defender, const CSpell * spell);
};
class DummyAnimation : public BattleAnimation
{
private:
int counter;
int howMany;
public:
bool init() override;
void nextFrame() override;
DummyAnimation(BattleInterface & owner, int howManyFrames);
};
/// Class that plays effect at one or more positions along with (single) sound effect
class EffectAnimation : public BattleAnimation
{
std::string soundName;
bool effectFinished;
int effectFlags;
std::shared_ptr<CAnimation> animation;
std::vector<Point> positions;
std::vector<BattleHex> battlehexes;
bool alignToBottom() const;
bool waitForSound() const;
bool forceOnTop() const;
bool screenFill() const;
void onEffectFinished();
void clearEffect();
void playEffect();
public:
enum EEffectFlags
{
ALIGN_TO_BOTTOM = 1,
FORCE_ON_TOP = 2,
SCREEN_FILL = 4,
};
/// Create animation with screen-wide effect
EffectAnimation(BattleInterface & owner, std::string animationName, int effects = 0);
/// Create animation positioned at point(s). Note that positions must be are absolute, including battleint position offset
EffectAnimation(BattleInterface & owner, std::string animationName, Point pos , int effects = 0);
EffectAnimation(BattleInterface & owner, std::string animationName, std::vector<Point> pos , int effects = 0);
/// Create animation positioned at certain hex(es)
EffectAnimation(BattleInterface & owner, std::string animationName, BattleHex hex , int effects = 0);
EffectAnimation(BattleInterface & owner, std::string animationName, std::vector<BattleHex> hex, int effects = 0);
EffectAnimation(BattleInterface & owner, std::string animationName, Point pos, BattleHex hex, int effects = 0);
~EffectAnimation();
bool init() override;
void nextFrame() override;
};
class HeroCastAnimation : public BattleAnimation
{
std::shared_ptr<BattleHero> hero;
const CStack * target;
const CSpell * spell;
BattleHex tile;
bool projectileEmitted;
void initializeProjectile();
void emitProjectile();
void emitAnimationEvent();
public:
HeroCastAnimation(BattleInterface & owner, std::shared_ptr<BattleHero> hero, BattleHex dest, const CStack * defender, const CSpell * spell);
void nextFrame() override;
bool init() override;
};