split BattleState's render function

[l2e.git] / src / battle / BattleState.cpp

diff --git a/src/battle/BattleState.cpp b/src/battle/BattleState.cpp
index df83c328d2b5a6c32330a1b76cc65444922b2cf0..c31786eed84aca8db1fa258bb43b8fb50738fa48 100644 (file)
--- a/src/battle/BattleState.cpp
+++ b/src/battle/BattleState.cpp
@@ -8,13 +8,42 @@
 #include "BattleState.h"
 
 #include "PartyLayout.h"
+#include "../geometry/operators.h"
+#include "../graphics/Sprite.h"
+
+#include <stdexcept>
 
 using app::Application;
+using geometry::Point;
+using geometry::Vector;
+
+using std::vector;
 
 namespace battle {
 
+void BattleState::AddMonster(const Monster &m) {
+       if (monsters.size() >= monstersLayout->NumPositions()) {
+               throw std::overflow_error("too many monsters for layout");
+       }
+       monsters.push_back(m);
+}
+
+void BattleState::AddHero(const Hero &h) {
+       if (heroes.size() >= heroesLayout->NumPositions()) {
+               throw std::overflow_error("too many heroes for layout");
+       }
+       heroes.push_back(h);
+}
+
+
+void BattleState::Resize(int w, int h) {
+
+}
+
+
 void BattleState::EnterState(Application &ctrl, SDL_Surface *screen) {
        monstersLayout->CalculatePositions(background->w, background->h, monsterPositions);
+       heroesLayout->CalculatePositions(background->w, background->h, heroesPositions);
 }
 
 void BattleState::ExitState() {
@@ -31,8 +60,36 @@ void BattleState::UpdateWorld(float deltaT) {
 }
 
 void BattleState::Render(SDL_Surface *screen) {
-       // TODO: center background if screen bigger
-       SDL_BlitSurface(background, 0, screen, 0);
+       Vector<int> offset(
+                       (screen->w - background->w) / 2,
+                       (screen->h - background->h) / 2);
+
+       RenderBackground(screen, offset);
+       RenderMonsters(screen, offset);
+       RenderHeroes(screen, offset);
+}
+
+void BattleState::RenderBackground(SDL_Surface *screen, const Vector<int> &offset) {
+       // 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) {
+       for (vector<Monster>::size_type i(0), end(monsters.size()); i < end; ++i) {
+               monsters[i].Sprite()->DrawCenterBottom(screen, monsterPositions[i] + 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);
+       }
 }
 
 }