1 /*
2  * Copyright (C) 2002-2020 by the Widelands Development Team
3  *
4  * This program is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU General Public License
6  * as published by the Free Software Foundation; either version 2
7  * of the License, or (at your option) any later version.
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program; if not, write to the Free Software
16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
17  *
18  */
19 
20 #include "editor/tools/set_resources_tool.h"
21 
22 #include "editor/editorinteractive.h"
23 #include "editor/tools/decrease_resources_tool.h"
24 #include "editor/tools/increase_resources_tool.h"
25 #include "logic/field.h"
26 #include "logic/map_objects/world/resource_description.h"
27 #include "logic/map_objects/world/world.h"
28 #include "logic/mapregion.h"
29 
handle_click_impl(const Widelands::NodeAndTriangle<> & center,EditorInteractive & eia,EditorActionArgs * args,Widelands::Map * map)30 int32_t EditorSetResourcesTool::handle_click_impl(const Widelands::NodeAndTriangle<>& center,
31                                                   EditorInteractive& eia,
32                                                   EditorActionArgs* args,
33                                                   Widelands::Map* map) {
34 	const Widelands::World& world = eia.egbase().world();
35 	Widelands::MapRegion<Widelands::Area<Widelands::FCoords>> mr(
36 	   *map, Widelands::Area<Widelands::FCoords>(map->get_fcoords(center.node), args->sel_radius));
37 	do {
38 		Widelands::ResourceAmount amount = args->set_to;
39 		Widelands::ResourceAmount max_amount =
40 		   args->current_resource != Widelands::kNoResource ?
41 		      world.get_resource(args->current_resource)->max_amount() :
42 		      0;
43 
44 		if (amount > max_amount)
45 			amount = max_amount;
46 
47 		if (map->is_resource_valid(world, mr.location(), args->current_resource)) {
48 
49 			args->original_resource.push_back(
50 			   EditorActionArgs::ResourceState{mr.location(), mr.location().field->get_resources(),
51 			                                   mr.location().field->get_resources_amount()});
52 
53 			map->initialize_resources(mr.location(), args->current_resource, amount);
54 		}
55 	} while (mr.advance(*map));
56 	return mr.radius();
57 }
58 
handle_undo_impl(const Widelands::NodeAndTriangle<Widelands::Coords> &,EditorInteractive & eia,EditorActionArgs * args,Widelands::Map * map)59 int32_t EditorSetResourcesTool::handle_undo_impl(
60    const Widelands::NodeAndTriangle<Widelands::Coords>& /* center */,
61    EditorInteractive& eia,
62    EditorActionArgs* args,
63    Widelands::Map* map) {
64 	for (const auto& res : args->original_resource) {
65 		Widelands::ResourceAmount amount = res.amount;
66 		Widelands::ResourceAmount max_amount =
67 		   eia.egbase().world().get_resource(args->current_resource)->max_amount();
68 
69 		if (amount > max_amount) {
70 			amount = max_amount;
71 		}
72 
73 		map->initialize_resources(map->get_fcoords(res.location), res.idx, amount);
74 	}
75 
76 	args->original_resource.clear();
77 	return args->sel_radius;
78 }
79 
format_args_impl(EditorInteractive & parent)80 EditorActionArgs EditorSetResourcesTool::format_args_impl(EditorInteractive& parent) {
81 	EditorActionArgs a(parent);
82 	a.current_resource = cur_res_;
83 	a.set_to = set_to_;
84 	return a;
85 }
86 
resource_tools_nodecaps(const Widelands::FCoords & fcoords,const Widelands::EditorGameBase & egbase,Widelands::DescriptionIndex resource)87 Widelands::NodeCaps resource_tools_nodecaps(const Widelands::FCoords& fcoords,
88                                             const Widelands::EditorGameBase& egbase,
89                                             Widelands::DescriptionIndex resource) {
90 	if (egbase.map().is_resource_valid(egbase.world(), fcoords, resource)) {
91 		return fcoords.field->nodecaps();
92 	}
93 	return Widelands::NodeCaps::CAPS_NONE;
94 }
95