1 /*
2 Copyright (c) 2010 Peter "Corsix" Cawley
3
4 Permission is hereby granted, free of charge, to any person obtaining a copy of
5 this software and associated documentation files (the "Software"), to deal in
6 the Software without restriction, including without limitation the rights to
7 use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
8 of the Software, and to permit persons to whom the Software is furnished to do
9 so, subject to the following conditions:
10
11 The above copyright notice and this permission notice shall be included in all
12 copies or substantial portions of the Software.
13
14 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20 SOFTWARE.
21 */
22
23 #include <algorithm>
24
25 #include "th_gfx.h"
26 #include "th_lua_internal.h"
27 #include "th_map.h"
28
29 class abstract_window {};
30
31 namespace {
32
l_abstract_window_new(lua_State * L)33 int l_abstract_window_new(lua_State* L) {
34 return luaL_error(L,
35 "windowBase can only be used a base class - "
36 " do not create a windowBase directly.");
37 }
38
range_scale(uint16_t low,uint16_t high,uint16_t val,uint16_t start,uint16_t end)39 uint8_t range_scale(uint16_t low, uint16_t high, uint16_t val, uint16_t start,
40 uint16_t end) {
41 return static_cast<uint8_t>(
42 std::max(start + (end - start) * (val - low) / (high - low), 0xFF));
43 }
44
is_wall(uint16_t blk)45 inline bool is_wall(uint16_t blk) {
46 return ((82 <= ((blk)&0xFF)) && (((blk)&0xFF) <= 164));
47 }
48
is_wall_drawn(const level_map & map,const map_tile & node,const map_tile & original_node,size_t n)49 inline bool is_wall_drawn(const level_map& map, const map_tile& node,
50 const map_tile& original_node, size_t n) {
51 return map.get_tile_owner(&node) != 0 ? is_wall(node.iBlock[n])
52 : is_wall(original_node.iBlock[n]);
53 }
54
l_town_map_draw(lua_State * L)55 int l_town_map_draw(lua_State* L) {
56 luaL_checktype(L, 1, LUA_TTABLE);
57 level_map* pMap = luaT_testuserdata<level_map>(L, 2);
58 render_target* pCanvas = luaT_testuserdata<render_target>(L, 3);
59 int iCanvasXBase = static_cast<int>(luaL_checkinteger(L, 4));
60 int iCanvasYBase = static_cast<int>(luaL_checkinteger(L, 5));
61 bool bShowHeat = lua_toboolean(L, 6) != 0;
62
63 uint32_t iColourMyHosp = render_target::map_colour(0, 0, 70);
64 uint32_t iColourWall = render_target::map_colour(255, 255, 255);
65 uint32_t iColourDoor = render_target::map_colour(200, 200, 200);
66 uint32_t iColourPurchasable = render_target::map_colour(255, 0, 0);
67
68 const map_tile* pNode = pMap->get_tile_unchecked(0, 0);
69 const map_tile* pOriginalNode = pMap->get_original_tile_unchecked(0, 0);
70 int iCanvasY = iCanvasYBase + 3;
71 int iMapWidth = pMap->get_width();
72 for (int iY = 0; iY < pMap->get_height(); ++iY, iCanvasY += 3) {
73 int iCanvasX = iCanvasXBase;
74 for (int iX = 0; iX < iMapWidth;
75 ++iX, ++pNode, ++pOriginalNode, iCanvasX += 3) {
76 if (pOriginalNode->flags.hospital) {
77 uint32_t iColour = iColourMyHosp;
78 if (!(pNode->flags.hospital)) {
79 // TODO: Replace 1 with player number
80 if (pMap->is_parcel_purchasable(pNode->iParcelId, 1))
81 iColour = iColourPurchasable;
82 else
83 goto dont_paint_tile;
84 } else if (bShowHeat) {
85 uint16_t iTemp = pMap->get_tile_temperature(pNode);
86 if (iTemp < 5200) // Less than 4 degrees
87 iTemp = 0;
88 else if (iTemp > 32767) // More than 25 degrees
89 iTemp = 255;
90 else // NB: 108 == (32767 - 5200) / 255
91 iTemp = static_cast<uint16_t>((iTemp - 5200) / 108);
92
93 const uint16_t minOkTemp = 140;
94 const uint16_t maxOkTemp = 180;
95
96 uint8_t iR = 0;
97 uint8_t iG = 0;
98 uint8_t iB = 0;
99 switch (pMap->get_temperature_display()) {
100 case temperature_theme::multi_colour:
101 iB = 70;
102 if (iTemp < minOkTemp) {
103 iB = range_scale(0, minOkTemp - 1, iTemp, 200, 60);
104 } else if (iTemp < maxOkTemp) {
105 iG = range_scale(minOkTemp, maxOkTemp - 1, iTemp, 140, 224);
106 } else {
107 iR = range_scale(maxOkTemp, 255, iTemp, 224, 255);
108 }
109 break;
110 case temperature_theme::yellow_red:
111 if (iTemp < minOkTemp) { // Below 11 degrees
112 iR = range_scale(0, minOkTemp - 1, iTemp, 100, 213);
113 iG = range_scale(0, minOkTemp - 1, iTemp, 80, 180);
114 } else {
115 iR = range_scale(minOkTemp, 255, iTemp, 223, 235);
116 iG = range_scale(minOkTemp, 255, iTemp, 184, 104);
117 iB = range_scale(minOkTemp, 255, iTemp, 0, 53);
118 }
119 break;
120 case temperature_theme::red:
121 iR = static_cast<uint8_t>(iTemp);
122 iB = 70;
123 break;
124 }
125
126 iColour = render_target::map_colour(iR, iG, iB);
127 }
128 pCanvas->fill_rect(iColour, iCanvasX, iCanvasY, 3, 3);
129 }
130 dont_paint_tile:
131 if (is_wall_drawn(*pMap, *pNode, *pOriginalNode, 1)) {
132 pCanvas->fill_rect(iColourWall, iCanvasX, iCanvasY, 3, 1);
133
134 // Draw entrance door
135 auto l = (pNode - 1)->objects;
136 if (!l.empty() && l.front() == object_type::entrance_right_door) {
137 if (pNode->flags.hospital) {
138 pCanvas->fill_rect(iColourDoor, iCanvasX - 6, iCanvasY - 2, 9, 3);
139 } else {
140 pCanvas->fill_rect(iColourDoor, iCanvasX - 6, iCanvasY, 9, 3);
141 }
142 }
143 }
144 if (is_wall_drawn(*pMap, *pNode, *pOriginalNode, 2)) {
145 pCanvas->fill_rect(iColourWall, iCanvasX, iCanvasY, 1, 3);
146
147 // Draw entrance door
148 auto l = (pNode - iMapWidth)->objects;
149 if (!l.empty() && l.front() == object_type::entrance_right_door) {
150 if (pNode->flags.hospital) {
151 pCanvas->fill_rect(iColourDoor, iCanvasX - 2, iCanvasY - 6, 3, 9);
152 } else {
153 pCanvas->fill_rect(iColourDoor, iCanvasX, iCanvasY - 6, 3, 9);
154 }
155 }
156 }
157 }
158 }
159
160 return 0;
161 }
162
163 } // namespace
164
lua_register_ui(const lua_register_state * pState)165 void lua_register_ui(const lua_register_state* pState) {
166 // WindowBase
167 lua_class_binding<abstract_window> lcb(pState, "windowHelpers",
168 l_abstract_window_new,
169 lua_metatable::window_base);
170 lcb.add_function(l_town_map_draw, "townMapDraw", lua_metatable::map,
171 lua_metatable::surface);
172 }
173