1 files changed, 129 insertions, 0 deletions
diff --git a/src/signs_cmd.cpp b/src/signs_cmd.cpp
new file mode 100644
index 000000000..8c1869a18
--- /dev/null
+++ b/src/signs_cmd.cpp
@@ -0,0 +1,129 @@
+/* $Id$ */
+
+/** @file signs_cmd.cpp Handling of sign related commands. */
+
+#include "stdafx.h"
+#include "landscape.h"
+#include "company_func.h"
+#include "signs_base.h"
+#include "signs_func.h"
+#include "command_func.h"
+#include "strings_func.h"
+#include "tilehighlight_func.h"
+#include "window_func.h"
+#include "map_func.h"
+#include "string_func.h"
+
+#include "table/strings.h"
+
+SignID _new_sign_id;
+
+/**
+ * Place a sign at the given coordinates. Ownership of sign has
+ * no effect whatsoever except for the colour the sign gets for easy recognition,
+ * but everybody is able to rename/remove it.
+ * @param tile tile to place sign at
+ * @param flags type of operation
+ * @param p1 unused
+ * @param p2 unused
+ */
+CommandCost CmdPlaceSign(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
+{
+	/* Try to locate a new sign */
+	if (!Sign::CanAllocateItem()) return_cmd_error(STR_2808_TOO_MANY_SIGNS);
+
+	/* Check sign text length if any */
+	if (!StrEmpty(text) && strlen(text) >= MAX_LENGTH_SIGN_NAME_BYTES) return CMD_ERROR;
+
+	/* When we execute, really make the sign */
+	if (flags & DC_EXEC) {
+		Sign *si = new Sign(_current_company);
+		int x = TileX(tile) * TILE_SIZE;
+		int y = TileY(tile) * TILE_SIZE;
+
+		si->x = x;
+		si->y = y;
+		si->z = GetSlopeZ(x, y);
+		if (!StrEmpty(text)) {
+			si->name = strdup(text);
+		}
+		UpdateSignVirtCoords(si);
+		MarkSignDirty(si);
+		InvalidateWindowData(WC_SIGN_LIST, 0, 0);
+		_new_sign_id = si->index;
+	}
+
+	return CommandCost();
+}
+
+/** Rename a sign. If the new name of the sign is empty, we assume
+ * the user wanted to delete it. So delete it. Ownership of signs
+ * has no meaning/effect whatsoever except for eyecandy
+ * @param tile unused
+ * @param flags type of operation
+ * @param p1 index of the sign to be renamed/removed
+ * @param p2 unused
+ * @return 0 if succesfull, otherwise CMD_ERROR
+ */
+CommandCost CmdRenameSign(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
+{
+	if (!IsValidSignID(p1)) return CMD_ERROR;
+
+	/* Rename the signs when empty, otherwise remove it */
+	if (!StrEmpty(text)) {
+		if (strlen(text) >= MAX_LENGTH_SIGN_NAME_BYTES) return CMD_ERROR;
+
+		if (flags & DC_EXEC) {
+			Sign *si = GetSign(p1);
+
+			/* Delete the old name */
+			free(si->name);
+			/* Assign the new one */
+			si->name = strdup(text);
+			si->owner = _current_company;
+
+			/* Update; mark sign dirty twice, because it can either becom longer, or shorter */
+			MarkSignDirty(si);
+			UpdateSignVirtCoords(si);
+			MarkSignDirty(si);
+			InvalidateWindowData(WC_SIGN_LIST, 0, 1);
+		}
+	} else { // Delete sign
+		if (flags & DC_EXEC) {
+			Sign *si = GetSign(p1);
+
+			MarkSignDirty(si);
+			delete si;
+
+			InvalidateWindowData(WC_SIGN_LIST, 0, 0);
+		}
+	}
+
+	return CommandCost();
+}
+
+/**
+ * Callback function that is called after a sign is placed
+ * @param success of the operation
+ * @param tile unused
+ * @param p1 unused
+ * @param p2 unused
+ */
+void CcPlaceSign(bool success, TileIndex tile, uint32 p1, uint32 p2)
+{
+	if (success) {
+		ShowRenameSignWindow(GetSign(_new_sign_id));
+		ResetObjectToPlace();
+	}
+}
+
+/**
+ *
+ * PlaceProc function, called when someone pressed the button if the
+ *  sign-tool is selected
+ * @param tile on which to place the sign
+ */
+void PlaceProc_Sign(TileIndex tile)
+{
+	DoCommandP(tile, 0, 0, CMD_PLACE_SIGN | CMD_MSG(STR_2809_CAN_T_PLACE_SIGN_HERE), CcPlaceSign);
+}