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148 lines
5.3 KiB
C++
148 lines
5.3 KiB
C++
/*
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* BattleStacksController.h, part of VCMI engine
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*
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* Authors: listed in file AUTHORS in main folder
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*
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* License: GNU General Public License v2.0 or later
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* Full text of license available in license.txt file, in main folder
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*
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*/
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#pragma once
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#include "../render/ColorFilter.h"
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VCMI_LIB_NAMESPACE_BEGIN
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struct BattleHex;
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class BattleAction;
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class CStack;
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class CSpell;
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class SpellID;
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class Point;
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VCMI_LIB_NAMESPACE_END
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struct StackAttackedInfo;
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struct StackAttackInfo;
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class ColorFilter;
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class Canvas;
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class BattleInterface;
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class BattleAnimation;
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class CreatureAnimation;
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class BattleAnimation;
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class BattleRenderer;
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class IImage;
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struct BattleStackFilterEffect
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{
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ColorFilter effect;
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const CStack * target;
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const CSpell * source;
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bool persistent;
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};
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/// Class responsible for handling stacks in battle
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/// Handles ordering of stacks animation
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/// As well as rendering of stacks, their amount boxes
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/// And any other effect applied to stacks
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class BattleStacksController
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{
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BattleInterface & owner;
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std::shared_ptr<IImage> amountNormal;
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std::shared_ptr<IImage> amountNegative;
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std::shared_ptr<IImage> amountPositive;
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std::shared_ptr<IImage> amountEffNeutral;
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/// currently displayed animations <anim, initialized>
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std::vector<BattleAnimation *> currentAnimations;
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/// currently active color effects on stacks, in order of their addition (which corresponds to their apply order)
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std::vector<BattleStackFilterEffect> stackFilterEffects;
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/// animations of creatures from fighting armies (order by BattleInfo's stacks' ID)
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std::map<int32_t, std::shared_ptr<CreatureAnimation>> stackAnimation;
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/// <creatureID, if false reverse creature's animation> //TODO: move it to battle callback
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std::map<int, bool> stackFacingRight;
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/// Stacks have amount box hidden due to ongoing animations
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std::set<int> stackAmountBoxHidden;
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/// currently active stack; nullptr - no one
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const CStack *activeStack;
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/// stacks or their battle queue images below mouse pointer (multiple stacks possible while spellcasting), used for border animation
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std::vector<const CStack *> mouseHoveredStacks;
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///when animation is playing, we should wait till the end to make the next stack active; nullptr of none
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const CStack *stackToActivate;
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/// for giving IDs for animations
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ui32 animIDhelper;
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bool stackNeedsAmountBox(const CStack * stack) const;
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void showStackAmountBox(Canvas & canvas, const CStack * stack);
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BattleHex getStackCurrentPosition(const CStack * stack) const;
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std::shared_ptr<IImage> getStackAmountBox(const CStack * stack);
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void removeExpiredColorFilters();
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void initializeBattleAnimations();
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void tickFrameBattleAnimations(uint32_t msPassed);
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void updateBattleAnimations(uint32_t msPassed);
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void updateHoveredStacks();
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std::vector<const CStack *> selectHoveredStacks();
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bool shouldAttackFacingRight(const CStack * attacker, const CStack * defender);
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public:
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BattleStacksController(BattleInterface & owner);
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bool shouldRotate(const CStack * stack, const BattleHex & oldPos, const BattleHex & nextHex) const;
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bool facingRight(const CStack * stack) const;
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void stackReset(const CStack * stack);
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void stackAdded(const CStack * stack, bool instant); //new stack appeared on battlefield
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void stackRemoved(uint32_t stackID); //stack disappeared from batlefiled
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void stackActivated(const CStack *stack); //active stack has been changed
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void stackMoved(const CStack *stack, std::vector<BattleHex> destHex, int distance); //stack with id number moved to destHex
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void stackTeleported(const CStack *stack, std::vector<BattleHex> destHex, int distance); //stack with id number moved to destHex
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void stacksAreAttacked(std::vector<StackAttackedInfo> attackedInfos); //called when a certain amount of stacks has been attacked
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void stackAttacking(const StackAttackInfo & info); //called when stack with id ID is attacking something on hex dest
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void startAction(const BattleAction* action);
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void endAction(const BattleAction* action);
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void deactivateStack(); //copy activeStack to stackToActivate, then set activeStack to nullptr to temporary disable current stack
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void activateStack(); //copy stackToActivate to activeStack to enable controls of the stack
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void setActiveStack(const CStack *stack);
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void showAliveStack(Canvas & canvas, const CStack * stack);
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void showStack(Canvas & canvas, const CStack * stack);
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void collectRenderableObjects(BattleRenderer & renderer);
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/// Adds new color filter effect targeting stack
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/// Effect will last as long as stack is affected by specified spell (unless effect is persistent)
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/// If effect from same (target, source) already exists, it will be updated
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void setStackColorFilter(const ColorFilter & effect, const CStack * target, const CSpell *source, bool persistent);
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void addNewAnim(BattleAnimation *anim); //adds new anim to pendingAnims
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const CStack* getActiveStack() const;
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const std::vector<uint32_t> getHoveredStacksUnitIds() const;
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void tick(uint32_t msPassed);
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/// returns position of animation needed to place stack in specific hex
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Point getStackPositionAtHex(BattleHex hexNum, const CStack * creature) const;
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friend class BattleAnimation; // for exposing pendingAnims/creAnims/creDir to animations
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};
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