--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/bridge_gui.c	Mon Aug 09 17:04:08 2004 +0000
@@ -0,0 +1,164 @@
+#include "stdafx.h"
+#include "ttd.h"
+
+#include "window.h"
+#include "gui.h"
+#include "viewport.h"
+#include "gfx.h"
+#include "command.h"
+
+static struct BridgeData {
+	int count;
+	TileIndex start_tile;
+	TileIndex end_tile;
+	byte type;
+	byte indexes[MAX_BRIDGES];
+	int32 costs[MAX_BRIDGES];
+} _bridge;
+
+extern const uint16 _bridge_type_price_mod[MAX_BRIDGES];
+
+extern const PalSpriteID _bridge_sprites[MAX_BRIDGES];
+extern const uint16 _bridge_speeds[MAX_BRIDGES];
+extern const StringID _bridge_material[MAX_BRIDGES];
+
+static void CcBuildBridge(bool success, uint tile, uint32 p1, uint32 p2)
+{
+	if (success) { SndPlayTileFx(0x25, tile); }
+}
+
+static void BuildBridge(Window *w, int i)
+{
+	DeleteWindow(w);
+	DoCommandP(_bridge.end_tile, _bridge.start_tile, _bridge.indexes[i] | (_bridge.type << 8), CcBuildBridge, 
+		CMD_BUILD_BRIDGE | CMD_AUTO | CMD_MSG(STR_5015_CAN_T_BUILD_BRIDGE_HERE));
+}
+
+static void BuildBridgeWndProc(Window *w, WindowEvent *e)
+{
+	switch(e->event) {
+	case WE_PAINT: {
+		int i;
+
+		DrawWindowWidgets(w);
+
+		for(i=0; i < 4 && i + w->vscroll.pos < _bridge.count; i++) {
+			int ind = _bridge.indexes[i + w->vscroll.pos];
+
+			SET_DPARAM32(2, _bridge.costs[i + w->vscroll.pos]);
+			SET_DPARAM16(1, (_bridge_speeds[ind] >> 4) * 10);
+			SET_DPARAM16(0, _bridge_material[ind]);
+			DrawSprite(_bridge_sprites[ind], 3, 15 + i * 22);
+
+			DrawString(44, 15 + i*22 , STR_500D, 0);
+		}
+	} break;
+
+	case WE_KEYPRESS: {
+		uint i = e->keypress.keycode - '1';
+		if (i < 9 && i < (uint)_bridge.count) {
+			e->keypress.cont = false;
+			BuildBridge(w, i);
+		}
+		
+		break;
+	}
+
+	case WE_CLICK: 
+	 if (e->click.widget == 2) {
+			uint ind = ((int)e->click.pt.y - 14) / 22;
+			if (ind < 4 && (ind += w->vscroll.pos) < (uint)_bridge.count)
+				BuildBridge(w, ind);
+		}
+		break;
+	}
+}
+
+static const Widget _build_bridge_widgets[] = {
+{   WWT_CLOSEBOX,     7,     0,    10,     0,    13, STR_00C5,										STR_018B_CLOSE_WINDOW},
+{    WWT_CAPTION,     7,    11,   199,     0,    13, STR_100D_SELECT_RAIL_BRIDGE,	STR_018C_WINDOW_TITLE_DRAG_THIS},
+{     WWT_MATRIX,     7,     0,   188,    14,   101, 0x401,												STR_101F_BRIDGE_SELECTION_CLICK},
+{  WWT_SCROLLBAR,     7,   189,   199,    14,   101, 0x0,													STR_0190_SCROLL_BAR_SCROLLS_LIST},
+{      WWT_LAST},
+};
+
+static const WindowDesc _build_bridge_desc = {
+	-1, -1, 200, 102,
+	WC_BUILD_BRIDGE,WC_BUILD_TOOLBAR,
+	WDF_STD_TOOLTIPS | WDF_STD_BTN | WDF_DEF_WIDGET,
+	_build_bridge_widgets,
+	BuildBridgeWndProc
+};
+
+
+static const Widget _build_road_bridge_widgets[] = {
+{   WWT_CLOSEBOX,     7,     0,    10,     0,    13, STR_00C5,										STR_018B_CLOSE_WINDOW},
+{    WWT_CAPTION,     7,    11,   199,     0,    13, STR_1803_SELECT_ROAD_BRIDGE,	STR_018C_WINDOW_TITLE_DRAG_THIS},
+{     WWT_MATRIX,     7,     0,   188,    14,   101, 0x401,												STR_101F_BRIDGE_SELECTION_CLICK},
+{  WWT_SCROLLBAR,     7,   189,   199,    14,   101, 0x0,													STR_0190_SCROLL_BAR_SCROLLS_LIST},
+{      WWT_LAST},
+};
+
+static const WindowDesc _build_road_bridge_desc = {
+	-1, -1, 200, 102,
+	WC_BUILD_BRIDGE,WC_BUILD_TOOLBAR,
+	WDF_STD_TOOLTIPS | WDF_STD_BTN | WDF_DEF_WIDGET,
+	_build_road_bridge_widgets,
+	BuildBridgeWndProc
+};
+
+
+void ShowBuildBridgeWindow(uint start, uint end, byte bridge_type)
+{
+	int j = 0;
+	int32 ret;
+	uint16 errmsg;
+
+	DeleteWindowById(WC_BUILD_BRIDGE, 0);
+
+	_bridge.type = bridge_type;
+	_bridge.start_tile = start;
+	_bridge.end_tile = end;
+
+	errmsg = 0xFFFF;
+
+	// only query bridge building possibility once, result is the same for all bridges!
+	// returns CMD_ERROR on failure, and priCe on success
+	ret = DoCommandByTile(end, start, (bridge_type << 8), DC_AUTO | DC_QUERY_COST, CMD_BUILD_BRIDGE);
+
+	if (ret == CMD_ERROR) {
+		errmsg = _error_message;
+	}
+	// check which bridges can be built
+	else {
+		int bridge_len;			// length of the middle parts of the bridge
+		int tot_bridge_len;	// total length of bridge
+
+		// get absolute bridge length
+		bridge_len = GetBridgeLength(start, end);
+		tot_bridge_len = bridge_len + 2;		
+
+		tot_bridge_len = CalcBridgeLenCostFactor(tot_bridge_len);
+
+		for (bridge_type = 0; bridge_type != MAX_BRIDGES; bridge_type++) {	// loop for all bridgetypes
+
+			if (CheckBridge_Stuff(bridge_type, bridge_len)) {
+				// bridge is accepted, add to list
+				// add to terraforming & bulldozing costs the cost of the bridge itself (not computed with DC_QUERY_COST)
+				_bridge.costs[j] = ret + (((tot_bridge_len * _price.build_bridge) * _bridge_type_price_mod[bridge_type]) >> 8);
+				_bridge.indexes[j] = bridge_type;
+				j++;
+			}
+		}
+	}
+
+	_bridge.count = j;
+
+	if (j != 0) {
+		Window *w = AllocateWindowDesc((_bridge.type & 0x80) ? &_build_road_bridge_desc : &_build_bridge_desc);	
+		w->vscroll.cap = 4;
+		w->vscroll.count = (byte)j;
+	} else {
+		ShowErrorMessage(errmsg, STR_5015_CAN_T_BUILD_BRIDGE_HERE, GET_TILE_X(end) * 16, GET_TILE_Y(end) * 16);
+	}
+}