X-Git-Url: http://git.localhorst.tv/?a=blobdiff_plain;f=src%2Fbattle%2FBattleState.cpp;h=66097fbd46d05a8d5315196fb161fef1bc5a34cb;hb=092a2dd175a4001a495c84ee85211734fb928c83;hp=a4efc8453ffa9bd6fedbf44f709f37501617b0bf;hpb=ca31ddeab37eebaa2de5e5b1c94974fac06d418b;p=l2e.git

diff --git a/src/battle/BattleState.cpp b/src/battle/BattleState.cpp
index a4efc84..66097fb 100644
--- a/src/battle/BattleState.cpp
+++ b/src/battle/BattleState.cpp
@@ -1,26 +1,34 @@
-/*
- * BattleState.cpp
- *
- *  Created on: Aug 5, 2012
- *      Author: holy
- */
-
 #include "BattleState.h"
 
 #include "PartyLayout.h"
 #include "states/SelectMoveAction.h"
+#include "states/PerformAttacks.h"
 #include "../app/Application.h"
 #include "../app/Input.h"
-#include "../geometry/operators.h"
+#include "../common/GameState.h"
+#include "../common/Ikari.h"
+#include "../common/Inventory.h"
+#include "../common/Item.h"
+#include "../common/Spell.h"
+#include "../graphics/Frame.h"
 #include "../graphics/Sprite.h"
+#include "../math/Vector.h"
 
+#include <algorithm>
+#include <cassert>
+#include <cstdlib>
 #include <stdexcept>
 
 using app::Application;
 using app::Input;
-using geometry::Point;
-using geometry::Vector;
-
+using common::Inventory;
+using common::Item;
+using common::Spell;
+using common::Stats;
+using math::Vector;
+using graphics::Menu;
+
+using std::rand;
 using std::vector;
 
 namespace battle {
@@ -33,62 +41,368 @@ void BattleState::AddMonster(const Monster &m) {
 }
 
 void BattleState::AddHero(const Hero &h) {
-	if (heroes.size() >= heroesLayout->NumPositions()) {
+	if (numHeroes >= 4 || numHeroes >= (int)heroesLayout->NumPositions()) {
 		throw std::overflow_error("too many heroes for layout");
 	}
-	heroes.push_back(h);
+	heroes[numHeroes] = h;
+	++numHeroes;
 }
 
+void BattleState::SetCapsule(const Capsule &c) {
+	capsule = c;
+}
 
-void BattleState::Resize(int w, int h) {
+void BattleState::NextHero() {
+	++activeHero;
+	while (activeHero < numHeroes && heroes[activeHero].Health() == 0) {
+		++activeHero;
+	}
+}
 
+void BattleState::PreviousHero() {
+	--activeHero;
+	while (activeHero >= 0 && heroes[activeHero].Health() == 0) {
+		--activeHero;
+	}
 }
 
+void BattleState::SwapHeroes(int lhs, int rhs) {
+	if (lhs < 0 || lhs >= numHeroes || rhs < 0 || rhs >= numHeroes || lhs == rhs) return;
+	std::swap(heroes[lhs], heroes[rhs]);
+}
+
+
+void BattleState::OnResize(int w, int h) {
+
+}
+
+
+void BattleState::OnEnterState(SDL_Surface *screen) {
+	for (int i(0); i < 4; ++i) {
+		heroes[i].Position() = heroesLayout->CalculatePosition(i, background->w, background->h);
+		heroes[i].SpellMenu() = *res->spellMenuProperties;
+		heroes[i].UpdateSpellMenu();
+		heroes[i].IkariMenu() = *res->ikariMenuProperties;
+		heroes[i].UpdateIkariMenu(res);
+		heroTags[i] = HeroTag(this, i);
+		smallHeroTags[i] = SmallHeroTag(this, i);
+	}
+
+	capsule.Position() = heroesLayout->CalculatePosition(4, background->w, background->h);
+
+	for (int i(0); i < int(monsters.size()); ++i) {
+		monsters[i].Position() = monstersLayout->CalculatePosition(i, background->w, background->h);
+	}
+
+	int tagHeight(attackTypeMenu.Height());
+	int tagWidth(attackTypeMenu.Width() * 2 + attackTypeMenu.Width() / 2);
+	int xOffset((Width() - 2 * tagWidth) / 2);
+	heroTagPositions[0] = Vector<int>(xOffset, Height() - 2 * tagHeight);
+	heroTagPositions[1] = Vector<int>(xOffset + tagWidth, Height() - 2 * tagHeight);
+	heroTagPositions[2] = Vector<int>(xOffset, Height() - tagHeight);
+	heroTagPositions[3] = Vector<int>(xOffset + tagWidth, Height() - tagHeight);
+
+	tagHeight = res->normalFont->CharHeight() * 4 + res->smallHeroTagFrame->BorderHeight() * 2;
+	tagWidth = res->normalFont->CharWidth() * 6 + res->smallHeroTagFrame->BorderWidth() * 2;
+	xOffset = (Width() - 4 * tagWidth) / 2;
+	int yOffset(Height() - tagHeight);
+	smallHeroTagPositions[0] = Vector<int>(xOffset, yOffset);
+	smallHeroTagPositions[1] = Vector<int>(xOffset + 2 * tagWidth, yOffset);
+	smallHeroTagPositions[2] = Vector<int>(xOffset + tagWidth, yOffset);
+	smallHeroTagPositions[3] = Vector<int>(xOffset + 3 * tagWidth, yOffset);
+
+	itemMenu = *res->itemMenuProperties;
+	LoadInventory();
+	ClearAllAttacks();
+}
 
-void BattleState::EnterState(Application &ctrl, SDL_Surface *screen) {
-	monstersLayout->CalculatePositions(background->w, background->h, monsterPositions);
-	heroesLayout->CalculatePositions(background->w, background->h, heroesPositions);
-	attackChoices.resize(heroes.size());
-	for (vector<Hero>::size_type i(0), end(heroes.size()); i < end; ++i) {
-		heroTags.push_back(HeroTag(&heroes[i], &attackChoices[i], heroTagFrame, activeHeroTagFrame, healthGauge, manaGauge, ikariGauge, heroTagSprites, heroTagFont, HeroTag::Alignment((i + 1) % 2)));
+void BattleState::LoadInventory() {
+	const Inventory &inv(game->state->inventory);
+	itemMenu.Clear();
+	itemMenu.Reserve(inv.MaxItems());
+	for (int i(0); i < inv.MaxItems(); ++i) {
+		const Item *item(inv.ItemAt(i));
+		if (item) {
+			itemMenu.Add(item->Name(), item, item->CanUseInBattle(), item->MenuIcon(), inv.ItemCountAt(i));
+		} else {
+			itemMenu.AddEmptyEntry();
+		}
 	}
 }
 
-void BattleState::ExitState(Application &ctrl, SDL_Surface *screen) {
+void BattleState::OnExitState(SDL_Surface *screen) {
 
 }
 
-void BattleState::ResumeState(Application &ctrl, SDL_Surface *screen) {
-	// reset attack choices
-	activeHero = -1;
-	attackChoices.clear();
-	attackChoices.resize(heroes.size());
-	ctrl.PushState(new SelectMoveAction(this));
+void BattleState::OnResumeState(SDL_Surface *screen) {
+	if (ranAway) {
+		Ctrl().PopState(); // quit the battle scene
+		return;
+	}
+	if (Victory()) {
+		Ctrl().PopState();
+		return;
+	}
+	if (Defeat()) {
+		Ctrl().PopState();
+		return;
+	}
+	// TODO: this should not push a state while quitting
+	if (AttackSelectionDone()) {
+		Ctrl().PushState(new PerformAttacks(this));
+	} else {
+		Ctrl().PushState(new SelectMoveAction(this));
+	}
+}
+
+bool BattleState::Victory() const {
+	for (int i(0); i < MaxMonsters(); ++i) {
+		if (MonsterAt(i).Health() > 0) return false;
+	}
+	return true;
+}
+
+bool BattleState::Defeat() const {
+	for (int i(0); i < NumHeroes(); ++i) {
+		if (HeroAt(i).Health() > 0) return false;
+	}
+	return true;
+}
+
+void BattleState::OnPauseState(SDL_Surface *screen) {
+
+}
+
+
+class OrderCompare {
+	public:
+		OrderCompare(BattleState *battle) : battle(battle) { }
+		bool operator ()(const BattleState::Order &lhs, const BattleState::Order &rhs) {
+			return lhs.GetStats(*battle).Agility() > rhs.GetStats(*battle).Agility();
+		}
+	private:
+		BattleState *battle;
+};
+
+void BattleState::CalculateAttackOrder() {
+	attackOrder.reserve(monsters.size() + NumHeroes());
+	for (int i(0); i < NumHeroes(); ++i) {
+		attackOrder.push_back(Order(Order::HERO, i));
+	}
+	for (vector<Monster>::size_type i(0), end(monsters.size()); i < end; ++i) {
+		attackOrder.push_back(Order(Order::MONSTER, i));
+		MonsterAt(i).GetAttackChoice() = AttackChoice(this);
+	}
+	if (capsule.Active() && capsule.Health() > 0) {
+		attackOrder.push_back(Order(Order::CAPSULE));
+	}
+	std::sort(attackOrder.begin(), attackOrder.end(), OrderCompare(this));
 }
 
-void BattleState::PauseState(Application &ctrl, SDL_Surface *screen) {
+void BattleState::NextAttack() {
+	if (Victory() || Defeat()) {
+		attackCursor = attackOrder.size();
+		return;
+	}
+	++attackCursor;
+	while (attackCursor < int(attackOrder.size())) {
+		if (attackOrder[attackCursor].IsMonster()) {
+			if (MonsterAt(attackOrder[attackCursor].index).Health() > 0) break;
+		} else if (attackOrder[attackCursor].IsHero()) {
+			if (HeroAt(attackOrder[attackCursor].index).Health() > 0) break;
+		} else {
+			if (capsule.Active() && capsule.Health() > 0) break;
+		}
+		++attackCursor;
+	}
+}
 
+bool BattleState::AttacksFinished() const {
+	return attackCursor >= int(attackOrder.size())
+			|| Victory() || Defeat();
 }
 
+void BattleState::CalculateDamage() {
+	if (CurrentAttack().IsMonster()) {
+		DecideMonsterAttack(MonsterAt(CurrentAttack().index));
+	} else if (CurrentAttack().IsCapsule()) {
+		DecideCapsuleAttack();
+	}
+	AttackChoice &ac = CurrentAttack().GetAttackChoice(*this);
+	if (ac.GetType() == AttackChoice::DEFEND) return;
+	TargetSelection &ts(ac.Selection());
 
-void BattleState::HandleInput(const Input &input) {
+	const Stats &attackerStats = CurrentAttack().GetStats(*this);
+	CalculateDamage(attackerStats, ts);
+}
 
+void BattleState::DecideMonsterAttack(Monster &m) {
+	AttackChoice &ac(m.GetAttackChoice());
+	TargetSelection &ts(ac.Selection());
+	ac.Reset();
+	int target(rand() % NumHeroes());
+	while (!HeroPositionOccupied(target)) {
+		target = rand() % NumHeroes();
+	}
+	ac.SetType(AttackChoice::SWORD);
+	ts.SelectHeroes();
+	ts.SetSingle();
+	ts.Select(target);
 }
 
-void BattleState::UpdateWorld(float deltaT) {
+void BattleState::DecideCapsuleAttack() {
+	AttackChoice &ac(capsule.GetAttackChoice());
+	TargetSelection &ts(ac.Selection());
+	ac.Reset();
+	int target(rand() % monsters.size());
+	while (!MonsterPositionOccupied(target)) {
+		target = rand() % monsters.size();
+	}
+	ac.SetType(AttackChoice::SWORD);
+	ts.SelectMonsters();
+	ts.SetSingle();
+	ts.Select(target);
+}
+
+AttackChoice &BattleState::Order::GetAttackChoice(BattleState &b) const {
+	switch (by) {
+		case HERO:
+			return b.HeroAt(index).GetAttackChoice();
+		case CAPSULE:
+			return b.GetCapsule().GetAttackChoice();
+		case MONSTER:
+			return b.MonsterAt(index).GetAttackChoice();
+		default:
+			throw std::runtime_error("invalid case in BttleStats::Order::GetAttackChoice()");
+	}
+}
+
+Stats &BattleState::Order::GetStats(BattleState &b) const {
+	switch (by) {
+		case HERO:
+			return b.HeroAt(index).GetStats();
+		case CAPSULE:
+			return b.GetCapsule().GetStats();
+		case MONSTER:
+			return b.MonsterAt(index).GetStats();
+		default:
+			throw std::runtime_error("invalid case in BttleStats::Order::GetAttackChoice()");
+	}
+}
+
+void BattleState::CalculateDamage(const Stats &attackerStats, TargetSelection &ts) const {
+	bool hitSome(false);
+	if (ts.TargetsMonsters()) {
+		for (int i(0); i < MaxMonsters(); ++i) {
+			if (ts.IsSelected(i)) {
+				if (MonsterAt(i).Health() > 0) {
+					const Stats &defenderStats(MonsterAt(i).GetStats());
+					Uint16 damage(CalculateDamage(attackerStats, defenderStats));
+					ts.SetBad(i, damage);
+					hitSome = true;
+				} else {
+					ts.Unselect(i);
+				}
+			}
+		}
+		if (hitSome) return;
+		for (int i(0); i < MaxMonsters(); ++i) {
+			if (MonsterAt(i).Health() > 0) {
+				const Stats &defenderStats(MonsterAt(i).GetStats());
+				Uint16 damage(CalculateDamage(attackerStats, defenderStats));
+				ts.SetBad(i, damage);
+				break;
+			}
+		}
+	} else {
+		for (int i(0); i < NumHeroes(); ++i) {
+			if (ts.IsSelected(i)) {
+				if (HeroAt(i).Health() > 0) {
+					const Stats &defenderStats(HeroAt(i).GetStats());
+					Uint16 damage(CalculateDamage(attackerStats, defenderStats));
+					ts.SetBad(i, damage);
+					hitSome = true;
+				} else {
+					ts.Unselect(i);
+				}
+			}
+		}
+		if (hitSome) return;
+		for (int i(0); i < NumHeroes(); ++i) {
+			if (HeroAt(i).Health() > 0) {
+				const Stats &defenderStats(HeroAt(i).GetStats());
+				Uint16 damage(CalculateDamage(attackerStats, defenderStats));
+				ts.SetBad(i, damage);
+				break;
+			}
+		}
+	}
+}
+
+Uint16 BattleState::CalculateDamage(const Stats &attacker, const Stats &defender) const {
+	return attacker.Attack() / 2 - defender.Defense() / 4;
+}
+
+void BattleState::ApplyDamage() {
+	if (attackCursor < 0) return;
+	AttackChoice &ac = CurrentAttack().GetAttackChoice(*this);
+	TargetSelection &ts(ac.Selection());
+	if (ts.TargetsMonsters()) {
+		for (int i(0); i < MaxMonsters(); ++i) {
+			Monster &monster(MonsterAt(i));
+			if (ts.IsBad(i)) {
+				monster.SubtractHealth(ts.GetAmount(i));
+				if (monster.Health() == 0) {
+					expReward += monster.ExpReward();
+					goldReward += monster.GoldReward();
+				}
+			}
+		}
+	} else {
+		for (int i(0); i < NumHeroes(); ++i) {
+			Hero &hero(HeroAt(i));
+			if (ts.IsBad(i)) {
+				hero.SubtractHealth(ts.GetAmount(i));
+			}
+		}
+	}
+}
+
+AttackChoice &BattleState::CurrentAttackAttackChoice() {
+	return CurrentAttack().GetAttackChoice(*this);
+}
+
+void BattleState::ClearAllAttacks() {
+	attackCursor = -1;
+	activeHero = -1;
+	for (int i(0); i < NumHeroes(); ++i) {
+		HeroAt(i).GetAttackChoice() = AttackChoice(this);
+	}
+	for (int i(0); i < MaxMonsters(); ++i) {
+		MonsterAt(i).GetAttackChoice() = AttackChoice(this);
+	}
+	capsule.GetAttackChoice() = AttackChoice(this);
+	attackOrder.clear();
+}
+
+
+void BattleState::HandleEvents(const Input &input) {
+
+}
+
+void BattleState::UpdateWorld(Uint32 deltaT) {
 
 }
 
 void BattleState::Render(SDL_Surface *screen) {
+	assert(screen);
 	Vector<int> offset(CalculateScreenOffset(screen));
-
 	RenderBackground(screen, offset);
 	RenderMonsters(screen, offset);
-//	RenderHeroes(screen, offset);
-	RenderHeroTags(screen, offset);
 }
 
 void BattleState::RenderBackground(SDL_Surface *screen, const Vector<int> &offset) {
+	assert(screen);
 	// black for now
 	SDL_FillRect(screen, 0, SDL_MapRGB(screen->format, 0, 0, 0));
 	SDL_Rect destRect;
@@ -100,30 +414,66 @@ void BattleState::RenderBackground(SDL_Surface *screen, const Vector<int> &offse
 }
 
 void BattleState::RenderMonsters(SDL_Surface *screen, const Vector<int> &offset) {
+	assert(screen);
 	for (vector<Monster>::size_type i(0), end(monsters.size()); i < end; ++i) {
-		monsters[i].Sprite()->DrawCenterBottom(screen, monsterPositions[i] + offset);
+		if (MonsterPositionOccupied(i)) {
+			if (monsters[i].GetAnimation().Running()) {
+				monsters[i].GetAnimation().DrawCenter(screen, monsters[i].Position() + offset);
+			} else {
+				monsters[i].Sprite()->DrawCenter(screen, monsters[i].Position() + offset);
+			}
+		}
 	}
 }
 
 void BattleState::RenderHeroes(SDL_Surface *screen, const Vector<int> &offset) {
-	for (vector<Hero>::size_type i(0), end(heroes.size()); i < end; ++i) {
-		heroes[i].Sprite()->DrawCenterBottom(screen, heroesPositions[i] + offset);
+	assert(screen);
+	for (int i(0); i < numHeroes; ++i) {
+		if (heroes[i].GetAnimation().Running()) {
+			heroes[i].GetAnimation().DrawCenter(screen, heroes[i].Position() + offset);
+		} else {
+			int row(heroes[i].Health() > 0 ? 0 : 2);
+			heroes[i].Sprite()->DrawCenter(screen, heroes[i].Position() + offset, 1, row);
+		}
+	}
+}
+
+void BattleState::RenderCapsule(SDL_Surface *screen, const Vector<int> &offset) {
+	if (!capsule.Active() || capsule.Health() <= 0) return;
+	if (capsule.GetAnimation().Running()) {
+		capsule.GetAnimation().DrawCenter(screen, capsule.Position() + offset);
+	} else {
+		capsule.Sprite()->DrawCenter(screen, capsule.Position() + offset);
 	}
 }
 
 void BattleState::RenderHeroTags(SDL_Surface *screen, const Vector<int> &offset) {
+	assert(screen);
 	int tagHeight(attackTypeMenu.Height());
 	int tagWidth(attackTypeMenu.Width() * 2 + attackTypeMenu.Width() / 2);
-	int xOffset((BackgroundWidth() - 2 * tagWidth) / 2);
 
-	Point<int> tagPosition[4];
-	tagPosition[0] = Point<int>(xOffset, BackgroundHeight() - 2 * tagHeight);
-	tagPosition[1] = Point<int>(xOffset + tagWidth, BackgroundHeight() - 2 * tagHeight);
-	tagPosition[2] = Point<int>(xOffset, BackgroundHeight() - tagHeight);
-	tagPosition[3] = Point<int>(xOffset + tagWidth, BackgroundHeight() - tagHeight);
+	for (int i(0); i < numHeroes; ++i) {
+		heroTags[i].Render(screen, tagWidth, tagHeight, heroTagPositions[i] + offset, (int)i == activeHero);
+	}
+}
 
-	for (vector<HeroTag>::size_type i(0), end(heroTags.size()); i < end; ++i) {
-		heroTags[i].Render(screen, tagWidth, tagHeight, tagPosition[i] + offset, (int)i == activeHero);
+void BattleState::RenderSmallHeroTags(SDL_Surface *screen, const Vector<int> &offset) {
+	assert(screen);
+	int tagHeight(res->normalFont->CharHeight() * 4 + res->smallHeroTagFrame->BorderHeight() * 2);
+	int tagWidth(res->normalFont->CharWidth() * 6 + res->smallHeroTagFrame->BorderWidth() * 2);
+
+	SDL_Rect rect;
+	rect.x = offset.X();
+	rect.y = offset.Y() + Height() - tagHeight;
+	rect.w = Width();
+	rect.h = tagHeight;
+	SDL_FillRect(screen, &rect, SDL_MapRGB(screen->format, 0, 0, 0));
+	rect.y += res->normalFont->CharHeight() / 8;
+	rect.h -= res->normalFont->CharHeight() / 4;
+	SDL_FillRect(screen, &rect, res->heroesBgColor.MapRGB(screen->format));
+
+	for (int i(0); i < numHeroes; ++i) {
+		smallHeroTags[i].Render(screen, tagWidth, tagHeight, smallHeroTagPositions[i] + offset);
 	}
 }