Some more preliminary cutaway work. The backgrounds are displayed now, but

not the animations themselves. Still, it's enough to make the IHNM intro
look fairly interesting.

svn-id: r18874

3 files changed, 61 insertions, 6 deletions

diff --git a/saga/animation.cpp b/saga/animation.cpp
index 799fd3f974..33082058af 100644
--- a/saga/animation.cpp
+++ b/saga/animation.cpp
@@ -27,7 +27,10 @@
 
 #include "saga/console.h"
 #include "saga/events.h"
+#include "saga/interface.h"
 #include "saga/render.h"
+#include "saga/rscfile.h"
+#include "saga/scene.h"
 
 #include "saga/animation.h"
 
@@ -55,8 +58,8 @@ void Anim::loadCutawayList(const byte *resourcePointer, size_t resourceLength) {
 	MemoryReadStream cutawayS(resourcePointer, resourceLength);
 
 	for (int i = 0; i < _cutawayListLength; i++) {
-		_cutawayList[i].backgroundID = cutawayS.readUint16LE();
-		_cutawayList[i].frameID = cutawayS.readUint16LE();
+		_cutawayList[i].backgroundResourceId = cutawayS.readUint16LE();
+		_cutawayList[i].animResourceId = cutawayS.readUint16LE();
 		_cutawayList[i].maxFrame = (int16)cutawayS.readUint16LE();
 		_cutawayList[i].frameRate = (int16)cutawayS.readUint16LE();
 	}
@@ -68,6 +71,51 @@ void Anim::freeCutawayList(void) {
 	_cutawayListLength = 0;
 }
 
+void Anim::playCutaway(int cut, bool fade) {
+	debug(0, "playCutaway(%d, %d)", cut, fade);
+
+	if (fade) {
+		// TODO: Fade down. Is this blocking or non-blocking?
+	}
+
+	// TODO: Stop all other animations
+
+	_vm->_gfx->showCursor(false);
+	_vm->_interface->setStatusText("");
+	_vm->_interface->setSaveReminderState(0);
+
+	// TODO: Hide the inventory. Perhaps by adding a new panel mode?
+
+	// Set the initial background and palette for the cutaway
+
+	ResourceContext *context = _vm->_resource->getContext(GAME_RESOURCEFILE);
+
+	byte *resourceData;
+	size_t resourceDataLength;
+
+	_vm->_resource->loadResource(context, _cutawayList[cut].backgroundResourceId, resourceData, resourceDataLength);
+
+	byte *buf;
+	size_t buflen;
+	int width;
+	int height;
+
+	_vm->decodeBGImage(resourceData, resourceDataLength, &buf, &buflen, &width, &height);
+
+	PalEntry *palette = (PalEntry *)_vm->getImagePal(resourceData, resourceDataLength);
+
+	Surface *bgSurface = _vm->_render->getBackGroundSurface();
+	const Rect rect(width, height);
+
+	bgSurface->blit(rect, buf);
+	_vm->_gfx->setPalette(palette);
+
+	free(buf);
+	free(resourceData);
+
+	// TODO: Start the animation
+}
+
 void Anim::load(uint16 animId, const byte *animResourceData, size_t animResourceLength) {
 	AnimationData *anim;
 	uint16 temp;
@@ -230,7 +278,6 @@ void Anim::play(uint16 animId, int vectorTime, bool playing) {
 	event.time = frameTime;
 
 	_vm->_events->queue(&event);
-
 }
 
 void Anim::stop(uint16 animId) {
diff --git a/saga/animation.h b/saga/animation.h
index e594a0ba80..a8529ca9ab 100644
--- a/saga/animation.h
+++ b/saga/animation.h
@@ -54,8 +54,8 @@ enum AnimationState {
 // Cutaway info array member. Cutaways are basically animations with a really
 // bad attitude.
 struct Cutaway {
-	uint16 backgroundID;
-	uint16 frameID;
+	uint16 backgroundResourceId;
+	uint16 animResourceId;
 	int16 maxFrame;
 	int16 frameRate;
 };
@@ -109,6 +109,7 @@ public:
 
 	void loadCutawayList(const byte *resourcePointer, size_t resourceLength);
 	void freeCutawayList(void);
+	void playCutaway(int cut, bool fade);
 
 	void load(uint16 animId, const byte *animResourceData, size_t animResourceLength);
 	void freeId(uint16 animId);
diff --git a/saga/sfuncs.cpp b/saga/sfuncs.cpp
index 16f108ce01..293753d770 100644
--- a/saga/sfuncs.cpp
+++ b/saga/sfuncs.cpp
@@ -1840,7 +1840,14 @@ void Script::sf75(SCRIPTFUNC_PARAMS) {
 }
 
 void Script::sfScriptStartCutAway(SCRIPTFUNC_PARAMS) {
-	SF_stub("sfScriptStartCutAway", thread, nArgs);
+	int16 cut;
+	int16 fade;
+
+	cut = thread->pop();
+	thread->pop();		// Not used
+	fade = thread->pop();
+
+	_vm->_anim->playCutaway(cut, fade != 0);
 }
 
 void Script::sfReturnFromCutAway(SCRIPTFUNC_PARAMS) {