Initial commit

engines/tinsel/mareels.cpp

@@ -0,0 +1,188 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * Functions to set up moving actors' reels.
+ */
+
+#include "tinsel/handle.h"
+#include "tinsel/pcode.h"	// For D_UP, D_DOWN
+#include "tinsel/movers.h"
+
+#include "common/textconsole.h"
+#include "common/util.h"
+
+namespace Tinsel {
+
+//----------------- LOCAL GLOBAL DATA --------------------
+
+enum {
+	NUM_INTERVALS = REQ_MAIN_SCALES - 1,
+
+	// 2 for up and down, 3 allow enough entries for 3 fully subscribed moving actors' worth
+	MAX_SCRENTRIES = NUM_INTERVALS*2*3
+};
+
+struct SCIdataStruct {
+	int	actor;
+	int	scale;
+	int	direction;
+	SCNHANDLE reels[4];
+};
+
+// These vars are reset upon engine destruction
+static SCIdataStruct g_SCIdata[MAX_SCRENTRIES];
+static int g_scrEntries = 0;
+
+/**
+ * Sets an actor's walk reels
+ */
+
+void SetWalkReels(MOVER *pMover, int scale,
+		SCNHANDLE al, SCNHANDLE ar, SCNHANDLE af, SCNHANDLE aa) {
+	assert(scale > 0 && scale <= TOTAL_SCALES);
+
+	pMover->walkReels[scale-1][LEFTREEL] = al;
+	pMover->walkReels[scale-1][RIGHTREEL] = ar;
+	pMover->walkReels[scale-1][FORWARD] = af;
+	pMover->walkReels[scale-1][AWAY] = aa;
+}
+
+
+/**
+ * Sets an actor's stand reels
+ */
+
+void SetStandReels(MOVER *pMover, int scale,
+		SCNHANDLE al, SCNHANDLE ar, SCNHANDLE af, SCNHANDLE aa) {
+	assert(scale > 0 && scale <= TOTAL_SCALES);
+
+	pMover->standReels[scale-1][LEFTREEL] = al;
+	pMover->standReels[scale-1][RIGHTREEL] = ar;
+	pMover->standReels[scale-1][FORWARD] = af;
+	pMover->standReels[scale-1][AWAY] = aa;
+}
+
+
+/**
+ * Sets an actor's talk reels
+ */
+
+void SetTalkReels(MOVER *pMover, int scale,
+		SCNHANDLE al, SCNHANDLE ar, SCNHANDLE af, SCNHANDLE aa) {
+	assert(scale > 0 && scale <= TOTAL_SCALES);
+
+	pMover->talkReels[scale-1][LEFTREEL] = al;
+	pMover->talkReels[scale-1][RIGHTREEL] = ar;
+	pMover->talkReels[scale-1][FORWARD] = af;
+	pMover->talkReels[scale-1][AWAY] = aa;
+}
+
+/**
+ * Return handle to actor's talk reel at present scale and direction.
+ */
+SCNHANDLE GetMoverTalkReel(MOVER *pActor, TFTYPE dirn) {
+	assert(1 <= pActor->scale && pActor->scale <= TOTAL_SCALES);
+	switch (dirn) {
+	case TF_NONE:
+		return pActor->talkReels[pActor->scale-1][pActor->direction];
+
+	case TF_UP:
+		return pActor->talkReels[pActor->scale-1][AWAY];
+
+	case TF_DOWN:
+		return pActor->talkReels[pActor->scale-1][FORWARD];
+
+	case TF_LEFT:
+		return pActor->talkReels[pActor->scale-1][LEFTREEL];
+
+	case TF_RIGHT:
+		return pActor->talkReels[pActor->scale-1][RIGHTREEL];
+
+	default:
+		error("GetMoverTalkReel() - illegal direction");
+	}
+}
+
+/**
+ * scalingreels
+ */
+void SetScalingReels(int actor, int scale, int direction,
+		SCNHANDLE left, SCNHANDLE right, SCNHANDLE forward, SCNHANDLE away) {
+	assert(scale >= 1 && scale <= NUM_MAINSCALES); // invalid scale
+	assert(!(scale == 1 && direction == D_UP) &&
+		!(scale == NUM_MAINSCALES && direction == D_DOWN)); // illegal direction from scale
+
+	assert(g_scrEntries < MAX_SCRENTRIES); // Scaling reels limit reached!
+
+	g_SCIdata[g_scrEntries].actor = actor;
+	g_SCIdata[g_scrEntries].scale = scale;
+	g_SCIdata[g_scrEntries].direction = direction;
+	g_SCIdata[g_scrEntries].reels[LEFTREEL]	= left;
+	g_SCIdata[g_scrEntries].reels[RIGHTREEL]	= right;
+	g_SCIdata[g_scrEntries].reels[FORWARD]	= forward;
+	g_SCIdata[g_scrEntries].reels[AWAY]		= away;
+	g_scrEntries++;
+}
+
+/**
+ * ScalingReel
+ */
+SCNHANDLE ScalingReel(int ano, int scale1, int scale2, DIRECTION reel) {
+	int d;	// Direction
+
+	// The smaller the number, the bigger the scale
+	if (scale1 < scale2)
+		d = D_DOWN;
+	else
+		d = D_UP;
+
+	for (int i = 0; i < g_scrEntries; i++)	{
+		if (g_SCIdata[i].actor == ano && g_SCIdata[i].scale == scale1 && g_SCIdata[i].direction == d) {
+			if (g_SCIdata[i].reels[reel] == TF_NONE)
+				return 0;
+			else
+				return g_SCIdata[i].reels[reel];
+		}
+	}
+	return 0;
+}
+
+/**
+ * RebootScalingReels
+ */
+void RebootScalingReels() {
+	g_scrEntries = 0;
+	memset(g_SCIdata, 0, sizeof(g_SCIdata));
+}
+
+/**
+ * Discourage them from being ditched.
+ */
+void TouchMoverReels() {
+	MOVER *pMover = NextMover(NULL);
+	int	scale;
+
+	do {
+		for (scale = 0; scale < TOTAL_SCALES; scale++) {
+			_vm->_handle->TouchMem(pMover->walkReels[scale][LEFTREEL]);
+		}
+	} while ((pMover = NextMover(pMover)) != NULL);
+}
+
+} // End of namespace Tinsel