Initial commit

engines/tinsel/sysvar.cpp

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+/* 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/>.
+ *
+ * System variable handling.
+ */
+
+#include "tinsel/dw.h"
+#include "tinsel/graphics.h"
+#include "tinsel/dialogs.h"
+#include "tinsel/strres.h"
+#include "tinsel/sysvar.h"
+#include "tinsel/tinsel.h"
+
+#include "common/textconsole.h"
+
+namespace Tinsel {
+
+// Return for SYS_Platform
+typedef enum { DOS_PC, WIN_PC, APPLE_MAC, SONY_PSX, SEGA_SATURN } platform;
+
+//----------------- GLOBAL GLOBAL DATA --------------------
+
+extern int NewestSavedGame();
+
+//----------------- LOCAL GLOBAL DATA --------------------
+
+// These vars are reset upon engine destruction
+
+static int g_systemVars[SV_TOPVALID_T3];
+static SCNHANDLE g_systemStrings[SS_MAX_VALID];
+
+//----------------- FUNCTIONS --------------------------------
+
+void ResetVarsSysVar() {
+	memset(g_systemVars, 0, sizeof(g_systemVars));
+	memset(g_systemStrings, 0, sizeof(g_systemStrings));
+}
+
+/**
+ * Initializes the system variable list
+ */
+
+void InitSysVars() {
+	int initialSystemVars[SV_TOPVALID_T3] = {
+	    INV_1, // Default inventory
+
+	    10,  // Y-offset of Conversation(TOP)
+	    320, // Y-offset of Conversation(BOT)
+	    15,  // Minimum distance from side
+	    10,  // Minimum distance from top
+	    115, // Distance above actor
+	    10,  // Distance below actor
+
+	    0, // Current language **READ ONLY**
+	    0, // Sample language **READ ONLY**
+	    0, // Current state **READ ONLY**
+	    0, // Saved Game Exists **READ ONLY**
+
+	    true, // Should Conversation() wait for scroll? [TRUE]
+	    true, // Should Talk()/Say() wait for scroll? [TRUE]
+
+	    true, // Enable PointTag()
+	    true, // Enable cursor with PrintCursor()
+
+	    100, // SV_SCROLL_XTRIGGER
+	    0,   // SV_SCROLL_XDISTANCE
+	    16,  // SV_SCROLL_XSPEED
+	    40,  // SV_SCROLL_YTRIGGERTOP
+	    40,  // SV_SCROLL_YTRIGGERBOT
+	    0,   // SV_SCROLL_YDISTANCE
+	    16,  // SV_SCROLL_YSPEED
+
+	    2, // Speech Delay
+	    2, // Music dim factor
+
+	    0, // if set, default actor's text color gets poked in here
+
+	    0, // user 1
+	    0, // user 2
+	    0, // user 3
+	    0, // user 4
+	    0, // user 5
+	    0, // user 6
+
+	    0, // SYS_MinimumXoffset
+	    0, // SYS_MaximumXoffset
+	    0, // SYS_MinimumYoffset
+	    0, // SYS_MaximumYoffset
+
+	    0, // SYS_DefaultFxDimFactor
+	    0, // SYS_SceneFxDimFactor
+
+	    0x606060, // SYS_HighlightRGB
+	    WIN_PC,   // SYS_Platform,
+	    0,        // SYS_Debug
+
+	    0,     // ISV_DIVERT_ACTOR
+	    false, // ISV_NO_BLOCKING
+
+	    0, // ISV_GHOST_ACTOR
+	    0, // ISV_GHOST_BASE
+	    0  // ISV_GHOST_COLOR
+	};
+
+	memcpy(g_systemVars, initialSystemVars, sizeof(g_systemVars));
+
+	g_systemVars[SV_SCROLL_XDISTANCE] = SCREEN_WIDTH / 2;
+	g_systemVars[SV_SCROLL_YDISTANCE] = SCREEN_BOX_HEIGHT1 / 2;
+}
+
+/**
+ * SetSysVar
+ */
+
+void SetSysVar(int varId, int newValue) {
+	if (varId < 0 || varId >= SV_TOPVALID)
+		error("SetSystemVar(): out of range identifier");
+
+	switch (varId) {
+	case SV_LANGUAGE:
+	case SV_SAMPLE_LANGUAGE:
+	case SV_SUBTITLES:
+	case SV_SAVED_GAME_EXISTS:
+	case SYS_Platform:
+	case SYS_Debug:
+		error("SetSystemVar(): read only identifier");
+
+	default:
+		g_systemVars[varId] = newValue;
+	}
+}
+
+int SysVar(int varId) {
+	if (varId < 0 || varId >= SV_TOPVALID)
+		error("SystemVar(): out of range identifier");
+
+	switch (varId) {
+	case SV_LANGUAGE:
+		return TextLanguage();
+
+	case SV_SAMPLE_LANGUAGE:
+		return SampleLanguage();
+
+	case SV_SUBTITLES:
+		// FIXME: This isn't currently defined
+		return false;
+		//return _vm->_config->_useSubtitles;
+
+	case SV_SAVED_GAME_EXISTS:
+		return NewestSavedGame() != -1;
+
+	case SYS_Debug:
+		// FIXME: This isn't currently defined
+		return false;
+		//return bDebuggingAllowed;
+
+	default:
+		return g_systemVars[varId];
+	}
+}
+
+void SaveSysVars(int *pSv) {
+	memcpy(pSv, g_systemVars, sizeof(g_systemVars));
+}
+
+void RestoreSysVars(int *pSv) {
+	memcpy(g_systemVars, pSv, sizeof(g_systemVars));
+}
+
+void SetSysString(int number, SCNHANDLE hString) {
+	assert(number >= 0 && number < SS_MAX_VALID);
+
+	g_systemStrings[number] = hString;
+}
+
+SCNHANDLE SysString(int number) {
+	assert(number >= 0 && number < SS_MAX_VALID);
+
+	return g_systemStrings[number];
+}
+
+/**
+ * Gets the no blocking flag. Note that for convenience, the systemVars array
+ * entry is used even for Tinsel 1, which originally used a separate variable.
+ */
+bool GetNoBlocking() {
+	return SysVar(ISV_NO_BLOCKING);
+}
+
+/**
+ * Sets the no blocking flag. Note that for convenience, the systemVars array
+ * entry is used even for Tinsel 1, which originally used a separate variable.
+ */
+void SetNoBlocking(bool flag) {
+	SetSysVar(ISV_NO_BLOCKING, flag);
+}
+
+} // End of namespace Tinsel