X-Git-Url: http://git.localhorst.tv/?a=blobdiff_plain;f=src%2Fbattle%2FBattleState.cpp;h=fe1b309a3a65b36543de7d8585290f6503b9139f;hb=9718062e6ed305d9f8f1674ff172079688e78088;hp=cc38de237da120164584ec9ce2026267bac468cc;hpb=509ef53f0adeb204167aabe1715f3a230f8c59fe;p=l2e.git

diff --git a/src/battle/BattleState.cpp b/src/battle/BattleState.cpp
index cc38de2..fe1b309 100644
--- a/src/battle/BattleState.cpp
+++ b/src/battle/BattleState.cpp
@@ -8,11 +8,30 @@
 #include "BattleState.h"
 
 #include "PartyLayout.h"
+#include "states/SelectMoveAction.h"
+#include "states/PerformAttacks.h"
+#include "../app/Application.h"
+#include "../app/Input.h"
+#include "../common/Ikari.h"
+#include "../common/Inventory.h"
+#include "../common/Item.h"
+#include "../common/Spell.h"
+#include "../geometry/operators.h"
+#include "../graphics/Frame.h"
 #include "../graphics/Sprite.h"
 
+#include <algorithm>
+#include <cassert>
 #include <stdexcept>
 
 using app::Application;
+using app::Input;
+using common::Inventory;
+using common::Item;
+using common::Spell;
+using geometry::Point;
+using geometry::Vector;
+using graphics::Menu;
 
 using std::vector;
 
@@ -25,17 +44,303 @@ void BattleState::AddMonster(const Monster &m) {
 	monsters.push_back(m);
 }
 
+void BattleState::AddHero(const Hero &h) {
+	if (numHeroes >= 4 || numHeroes >= (int)heroesLayout->NumPositions()) {
+		throw std::overflow_error("too many heroes for layout");
+	}
+	heroes[numHeroes] = h;
+	++numHeroes;
+}
+
+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::Resize(int w, int h) {
+
+}
+
 
 void BattleState::EnterState(Application &ctrl, SDL_Surface *screen) {
-	monstersLayout->CalculatePositions(background->w, background->h, monsterPositions);
+	for (int i(0); i < 4; ++i) {
+		heroes[i].Position() = heroesLayout->CalculatePosition(i, background->w, background->h);
+		heroes[i].SpellMenu() = res->spellMenuPrototype;
+		heroes[i].UpdateSpellMenu();
+		heroes[i].IkariMenu() = res->ikariMenuPrototype;
+		heroes[i].UpdateIkariMenu(res);
+		heroTags[i] = HeroTag(this, i);
+		smallHeroTags[i] = SmallHeroTag(this, i);
+	}
+
+	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] = Point<int>(xOffset, Height() - 2 * tagHeight);
+	heroTagPositions[1] = Point<int>(xOffset + tagWidth, Height() - 2 * tagHeight);
+	heroTagPositions[2] = Point<int>(xOffset, Height() - tagHeight);
+	heroTagPositions[3] = Point<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] = Point<int>(xOffset, yOffset);
+	smallHeroTagPositions[1] = Point<int>(xOffset + 2 * tagWidth, yOffset);
+	smallHeroTagPositions[2] = Point<int>(xOffset + tagWidth, yOffset);
+	smallHeroTagPositions[3] = Point<int>(xOffset + 3 * tagWidth, yOffset);
+
+	itemMenu = res->itemMenuPrototype;
+	LoadInventory();
+}
+
+void BattleState::LoadInventory() {
+	const Inventory &inv(*res->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();
+		}
+	}
+	ClearAllAttacks();
+}
+
+void BattleState::ExitState(Application &ctrl, SDL_Surface *screen) {
+
+}
+
+void BattleState::ResumeState(Application &ctrl, SDL_Surface *screen) {
+	if (ranAway) {
+		ctrl.PopState(); // quit the battle scene
+		return;
+	}
+	if (Victory()) {
+		// TODO: push victory state
+		ctrl.PopState();
+		return;
+	}
+	if (Defeat()) {
+		// TODO: push defeat state
+		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::PauseState(Application &ctrl, SDL_Surface *screen) {
+
 }
 
-void BattleState::ExitState() {
 
+class OrderCompare {
+	public:
+		OrderCompare(BattleState *battle) : battle(battle) { }
+		bool operator ()(const BattleState::Order &lhs, const BattleState::Order &rhs) {
+			int lagl(lhs.isMonster ? battle->MonsterAt(lhs.index).GetStats().Agility() : battle->HeroAt(lhs.index).GetStats().Agility());
+			int ragl(rhs.isMonster ? battle->MonsterAt(rhs.index).GetStats().Agility() : battle->HeroAt(rhs.index).GetStats().Agility());
+			return lagl > ragl;
+		}
+	private:
+		BattleState *battle;
+};
+
+void BattleState::CalculateAttackOrder() {
+	attackOrder.reserve(monsters.size() + NumHeroes());
+	for (int i(0); i < NumHeroes(); ++i) {
+		attackOrder.push_back(Order(i, false));
+	}
+	for (vector<Monster>::size_type i(0), end(monsters.size()); i < end; ++i) {
+		attackOrder.push_back(Order(i, true));
+		MonsterAt(i).GetAttackChoice() = AttackChoice(this);
+	}
+	std::sort(attackOrder.begin(), attackOrder.end(), OrderCompare(this));
+}
+
+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 (HeroAt(attackOrder[attackCursor].index).Health() > 0) break;
+		}
+		++attackCursor;
+	}
+}
+
+bool BattleState::AttacksFinished() const {
+	return attackCursor >= int(attackOrder.size())
+			|| Victory() || Defeat();
+}
+
+void BattleState::CalculateDamage() {
+	AttackChoice &ac(CurrentAttack().isMonster ? MonsterAt(CurrentAttack().index).GetAttackChoice() : HeroAt(CurrentAttack().index).GetAttackChoice());
+	if (ac.GetType() == AttackChoice::DEFEND) return;
+
+	if (CurrentAttack().isMonster) {
+		const Stats &attackerStats(MonsterAt(CurrentAttack().index).GetStats());
+		// TODO: run monster's attack script
+		ac.SetType(AttackChoice::SWORD);
+		ac.Selection().SelectSingle();
+		ac.Selection().SelectHeroes();
+		for (int i(0); i < NumHeroes(); ++i) {
+			if (HeroAt(i).Health() > 0) {
+				const Stats &defenderStats(HeroAt(i).GetStats());
+				Uint16 damage(CalculateDamage(attackerStats, defenderStats));
+				ac.Selection().SetBad(0, damage);
+				break;
+			}
+		}
+	} else {
+		const Stats &attackerStats(HeroAt(CurrentAttack().index).GetStats());
+		TargetSelection &ts(ac.Selection());
+		bool hitSome(false);
+		if (ts.TargetsEnemies()) {
+			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 {
+	// TODO: find out real formula and add some randomness
+	return attacker.Attack() / 2 - defender.Defense() / 4;
+}
+
+void BattleState::ApplyDamage() {
+	if (attackCursor < 0) return;
+	AttackChoice &ac(CurrentAttack().isMonster ? MonsterAt(CurrentAttack().index).GetAttackChoice() : HeroAt(CurrentAttack().index).GetAttackChoice());
+	TargetSelection &ts(ac.Selection());
+	if (ts.TargetsEnemies()) {
+		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() {
+	if (CurrentAttack().isMonster) {
+		return MonsterAt(CurrentAttack().index).GetAttackChoice();
+	} else {
+		return HeroAt(CurrentAttack().index).GetAttackChoice();
+	}
+}
+
+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);
+	}
+	attackOrder.clear();
 }
 
 
-void BattleState::HandleEvent(const SDL_Event &) {
+void BattleState::HandleEvents(const Input &input) {
 
 }
 
@@ -44,10 +349,76 @@ void BattleState::UpdateWorld(float deltaT) {
 }
 
 void BattleState::Render(SDL_Surface *screen) {
-	// TODO: center background if screen bigger
-	SDL_BlitSurface(background, 0, screen, 0);
+	assert(screen);
+	Vector<int> offset(CalculateScreenOffset(screen));
+	RenderBackground(screen, offset);
+	RenderMonsters(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;
+	destRect.x = offset.X();
+	destRect.y = offset.Y();
+	destRect.w = background->w;
+	destRect.h = background->h;
+	SDL_BlitSurface(background, 0, screen, &destRect);
+}
+
+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()->Draw(screen, monsterPositions[i]);
+		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) {
+	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::RenderHeroTags(SDL_Surface *screen, const Vector<int> &offset) {
+	assert(screen);
+	int tagHeight(attackTypeMenu.Height());
+	int tagWidth(attackTypeMenu.Width() * 2 + attackTypeMenu.Width() / 2);
+
+	for (int i(0); i < numHeroes; ++i) {
+		heroTags[i].Render(screen, tagWidth, tagHeight, heroTagPositions[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);
+
+	for (int i(0); i < numHeroes; ++i) {
+		smallHeroTags[i].Render(screen, tagWidth, tagHeight, smallHeroTagPositions[i] + offset);
 	}
 }