From 50245ba5710df184af5b5e8f0037e87b33491cfe Mon Sep 17 00:00:00 2001
From: Vladimir Menshakov
Date: Mon, 4 Jan 2010 11:12:19 +0000
Subject: added idle animation

svn-id: r46968
---
 engines/teenagent/actor.cpp   | 38 +++++++++++++++++++++++++++++++++++++-
 engines/teenagent/actor.h     |  2 ++
 engines/teenagent/animation.h |  1 +
 engines/teenagent/scene.cpp   | 11 +++++++++--
 engines/teenagent/scene.h     |  1 +
 5 files changed, 50 insertions(+), 3 deletions(-)

diff --git a/engines/teenagent/actor.cpp b/engines/teenagent/actor.cpp
index e9a29ff35d..71c5caebb0 100644
--- a/engines/teenagent/actor.cpp
+++ b/engines/teenagent/actor.cpp
@@ -24,12 +24,48 @@
 
 #include "teenagent/actor.h"
 #include "teenagent/objects.h"
+#include "teenagent/resources.h"
 
 namespace TeenAgent {
 
-Actor::Actor() : head_index(0) {}
+Actor::Actor() : head_index(0), idle_type(0) {}
 
 //idle animation lists at dseg: 0x6540
+Common::Rect Actor::renderIdle(Graphics::Surface *surface, const Common::Point &position, uint8 orientation, uint zoom) {
+	static Common::RandomSource random;
+	if (index == 0) {
+		idle_type = random.getRandomNumber(2);
+		debug(0, "switched to idle animation %u", idle_type);
+	}
+
+	Resources * res = Resources::instance();
+	byte *frames_idle;
+	do {
+		frames_idle = res->dseg.ptr(res->dseg.get_word(0x6540 + idle_type * 2)) + index++;
+		if (*frames_idle == 0) {
+			idle_type = random.getRandomNumber(2);
+			debug(0, "switched to idle animation %u[loop]", idle_type);
+			index = 3; //put 4th frame (base 1) if idle animation loops
+		}
+	} while(*frames_idle == 0);
+
+	bool mirror = orientation == kActorLeft;
+	Surface *s = frames + *frames_idle - 1;
+
+	///\todo remove copy-paste here and below
+	int xp = position.x - s->w * zoom / 512 - s->x, yp = position.y - s->h * zoom / 256 - s->y;
+	if (xp < 0)
+		xp = 0;
+	if (xp + s->w > 320)
+		xp = 320 - s->w;
+
+	if (yp < 0)
+		yp = 0;
+	if (yp + s->h > 200)
+		yp = 200 - s->h;
+	
+	return s->render(surface, xp, yp, mirror, Common::Rect(), zoom);
+}
 
 Common::Rect Actor::render(Graphics::Surface *surface, const Common::Point &position, uint8 orientation, int delta_frame, bool render_head, uint zoom) {
 	const uint8 frames_left_right[] = {0, 1, 2, 3, 4, 5, /* step */ 6, 7, 8, 9};
diff --git a/engines/teenagent/actor.h b/engines/teenagent/actor.h
index 73a7a605a8..3edace362e 100644
--- a/engines/teenagent/actor.h
+++ b/engines/teenagent/actor.h
@@ -29,9 +29,11 @@ namespace TeenAgent {
 
 class Actor : public Animation {
 	uint head_index;
+	uint idle_type;
 public:
 	Actor();
 	Common::Rect render(Graphics::Surface *surface, const Common::Point &position, uint8 orientation, int delta_frame, bool head, uint zoom);
+	Common::Rect renderIdle(Graphics::Surface *surface, const Common::Point &position, uint8 orientation, uint zoom);
 };
 
 } // End of namespace TeenAgent
diff --git a/engines/teenagent/animation.h b/engines/teenagent/animation.h
index 3e65a73b94..f77fbcf679 100644
--- a/engines/teenagent/animation.h
+++ b/engines/teenagent/animation.h
@@ -44,6 +44,7 @@ public:
 	Surface *firstFrame();
 	Surface *currentFrame(int dt = 1);
 	uint16 currentIndex() const { return index; }
+	void resetIndex() { index = 0; }
 
 	~Animation();
 
diff --git a/engines/teenagent/scene.cpp b/engines/teenagent/scene.cpp
index 7cc009bf78..976a1770b8 100644
--- a/engines/teenagent/scene.cpp
+++ b/engines/teenagent/scene.cpp
@@ -39,7 +39,8 @@ Scene::Scene() : intro(false), _engine(NULL),
 		_id(0), ons(0),
 		orientation(kActorRight), actor_talking(false), 
 		message_timer(0), message_first_frame(0), message_last_frame(0), message_animation(NULL), 
-		current_event(SceneEvent::kNone), hide_actor(false), callback(0), callback_timer(0) {}
+		current_event(SceneEvent::kNone), hide_actor(false), callback(0), callback_timer(0), 
+		_fade_timer(0), _fade_type(0), _idle_timer(0) {}
 
 void Scene::warp(const Common::Point &_point, byte o) {
 	Common::Point point(_point);
@@ -707,6 +708,8 @@ bool Scene::render() {
 						(ABS(dp.x) < speed_y? dp.x: SIGN(dp.x) * speed_y):
 						(ABS(dp.x) < speed_x? dp.x: SIGN(dp.x) * speed_x);
 
+					_idle_timer = 0;
+					teenagent_idle.resetIndex();
 					actor_animation_position = teenagent.render(surface, position, o, 1, false, zoom);
 
 					if (position == destination) {
@@ -722,7 +725,11 @@ bool Scene::render() {
 					} else
 						busy = true;
 				} else {
-					actor_animation_position = teenagent.render(surface, position, orientation, 0, actor_talking, zoom);
+					++_idle_timer;
+					if (_idle_timer < 50)
+						actor_animation_position = teenagent.render(surface, position, orientation, 0, actor_talking, zoom);
+					else 
+						actor_animation_position = teenagent_idle.renderIdle(surface, position, orientation, zoom);
 				}
 			}
 		}
diff --git a/engines/teenagent/scene.h b/engines/teenagent/scene.h
index aa23595ccf..3319c3e1f8 100644
--- a/engines/teenagent/scene.h
+++ b/engines/teenagent/scene.h
@@ -220,6 +220,7 @@ private:
 	
 	int _fade_timer;
 	int _fade_type;
+	uint _idle_timer;
 
 	struct Sound {
 		byte id, delay;
-- 
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