1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
|
package main
import (
"github.com/silvasur/gomcmap/mcmap"
"github.com/mattn/go-gtk/gdk"
"github.com/mattn/go-gtk/glib"
"github.com/mattn/go-gtk/gtk"
"math"
"unsafe"
)
const (
zoom = 2
tileSize = zoom * mcmap.ChunkSizeXZ
)
type GUICallbacks struct {
reportFail func(msg string)
updateInfo func(x, z int, bio mcmap.Biome, name string)
setBusy func(bool)
}
type MapWidget struct {
dArea *gtk.DrawingArea
w, h int
guicbs GUICallbacks
isInit bool
showBiomes bool
offX, offZ int
mx1, mx2, my1, my2 int
continueTool, panning bool
pixmap *gdk.Pixmap
pixmapGC *gdk.GC
gdkwin *gdk.Window
bg *gdk.Pixmap
regWrap *RegionWrapper
bioLookup BiomeLookup
}
func (mw *MapWidget) calcChunkRect() {
}
func (mw *MapWidget) DArea() *gtk.DrawingArea { return mw.dArea }
func (mw *MapWidget) SetShowBiomes(b bool) {
mw.showBiomes = b
mw.updateGUI()
}
func (mw *MapWidget) SetFixSnowIce(b bool) { mw.regWrap.SetFixSnowIce(b) }
func (mw *MapWidget) SetBiome(bio mcmap.Biome) { mw.regWrap.SetBiome(bio) }
func (mw *MapWidget) SetRegion(region *mcmap.Region) { mw.regWrap.SetRegion(region) }
func (mw *MapWidget) SetTool(t Tool) { mw.regWrap.SetTool(t) }
func (mw *MapWidget) Save() { mw.regWrap.Save() }
func (mw *MapWidget) SetCenter(x, z int) {
mw.offX = x*zoom - mw.w/2
mw.offZ = z*zoom - mw.h/2
mw.updateChunkBounds()
}
func (mw *MapWidget) updateChunkBounds() {
startX := int(math.Floor(float64(mw.offX) / tileSize))
startZ := int(math.Floor(float64(mw.offZ) / tileSize))
endX := int(math.Ceil(float64(mw.offX+mw.w) / tileSize))
endZ := int(math.Ceil(float64(mw.offZ+mw.h) / tileSize))
mw.regWrap.SetChunkBounds(startX, startZ, endX, endZ)
}
func (mw *MapWidget) movement(ctx *glib.CallbackContext) {
if mw.gdkwin == nil {
mw.gdkwin = mw.dArea.GetWindow()
}
arg := ctx.Args(0)
mev := *(**gdk.EventMotion)(unsafe.Pointer(&arg))
var mt gdk.ModifierType
if mev.IsHint != 0 {
mw.gdkwin.GetPointer(&(mw.mx2), &(mw.my2), &mt)
} else {
mw.mx2, mw.my2 = int(mev.X), int(mev.Y)
}
x := (mw.offX + mw.mx2) / zoom
z := (mw.offZ + mw.my2) / zoom
bio := mcmap.Biome(mcmap.BioUncalculated)
if _bio, ok := mw.regWrap.GetBiomeAt(x, z); ok {
bio = _bio
}
mw.guicbs.updateInfo(x, z, bio, mw.bioLookup.Name(bio))
if mw.panning {
if (mw.mx1 != -1) && (mw.my1 != -1) {
mw.offX += mw.mx1 - mw.mx2
mw.offZ += mw.my1 - mw.my2
mw.updateGUI()
}
}
if mw.continueTool {
mw.regWrap.UseTool(x, z)
mw.updateGUI()
}
mw.mx1, mw.my1 = mw.mx2, mw.my2
}
func (mw *MapWidget) buttonChanged(ctx *glib.CallbackContext) {
arg := ctx.Args(0)
bev := *(**gdk.EventButton)(unsafe.Pointer(&arg))
switch gdk.EventType(bev.Type) {
case gdk.BUTTON_RELEASE:
if mw.panning {
mw.panning = false
mw.updateChunkBounds()
gdk.ThreadsLeave()
mw.regWrap.UpdateTiles()
gdk.ThreadsEnter()
}
mw.continueTool = false
case gdk.BUTTON_PRESS:
switch bev.Button {
case 1:
if !mw.regWrap.RegionLoaded() {
return
}
x := (mw.offX + int(bev.X)) / zoom
z := (mw.offZ + int(bev.Y)) / zoom
mw.regWrap.UseTool(x, z)
mw.updateGUI()
if !mw.regWrap.ToolSingleClick() {
mw.continueTool = true
}
case 2:
mw.panning = true
}
}
}
var (
checker1 = gdk.NewColor("#222222")
checker2 = gdk.NewColor("#444444")
)
func (mw *MapWidget) drawBg() {
if mw.bg != nil {
mw.bg.Unref()
}
mw.bg = emptyPixmap(mw.w, mw.h, 24)
drawable := mw.bg.GetDrawable()
gc := gdk.NewGC(drawable)
w := int(math.Ceil(float64(mw.w) / 32))
h := int(math.Ceil(float64(mw.h) / 32))
for y := 0; y < h; y++ {
for x := 0; x < w; x++ {
if (x % 2) == (y % 2) {
gc.SetRgbFgColor(checker1)
} else {
gc.SetRgbFgColor(checker2)
}
drawable.DrawRectangle(gc, true, x*32, y*32, 32, 32)
}
}
}
func (mw *MapWidget) configure() {
if mw.pixmap != nil {
mw.pixmap.Unref()
}
alloc := mw.dArea.GetAllocation()
mw.w = alloc.Width
mw.h = alloc.Height
if !mw.isInit {
mw.offX = -(mw.w / 2)
mw.offZ = -(mw.h / 2)
mw.isInit = true
}
mw.updateChunkBounds()
mw.pixmap = gdk.NewPixmap(mw.dArea.GetWindow().GetDrawable(), mw.w, mw.h, 24)
mw.pixmapGC = gdk.NewGC(mw.pixmap.GetDrawable())
mw.drawBg()
mw.updateGUI()
}
func (mw *MapWidget) compose() {
drawable := mw.pixmap.GetDrawable()
gc := mw.pixmapGC
drawable.DrawDrawable(gc, mw.bg.GetDrawable(), 0, 0, 0, 0, -1, -1)
var tiles map[XZPos]*gdk.Pixmap
if mw.showBiomes {
tiles = mw.regWrap.Biotiles
} else {
tiles = mw.regWrap.Maptiles
}
for pos, tile := range tiles {
x := (pos.X * tileSize) - mw.offX
y := (pos.Z * tileSize) - mw.offZ
drawable.DrawDrawable(gc, tile.GetDrawable(), 0, 0, x, y, tileSize, tileSize)
}
}
func (mw *MapWidget) expose() {
mw.dArea.GetWindow().GetDrawable().DrawDrawable(mw.pixmapGC, mw.pixmap.GetDrawable(), 0, 0, 0, 0, -1, -1)
}
func (mw *MapWidget) updateGUI() {
mw.compose()
mw.expose()
mw.dArea.GetWindow().Invalidate(nil, false)
}
func (mw *MapWidget) updateBioLookup(lookup BiomeLookup) {
mw.bioLookup = lookup
mw.regWrap.bioLookup = lookup
if mw.regWrap.RegionLoaded() {
mw.regWrap.FlushTiles()
mw.regWrap.UpdateTiles()
}
}
func NewMapWidget(guicbs GUICallbacks, bioLookup BiomeLookup) *MapWidget {
dArea := gtk.NewDrawingArea()
mw := &MapWidget{
dArea: dArea,
guicbs: guicbs,
showBiomes: true,
mx1: -1,
my1: -1,
bioLookup: bioLookup,
}
mw.regWrap = NewRegionWrapper(mw.updateGUI, guicbs)
mw.regWrap.bioLookup = bioLookup
dArea.Connect("configure-event", mw.configure)
dArea.Connect("expose-event", mw.expose)
dArea.Connect("motion-notify-event", mw.movement)
dArea.Connect("button-press-event", mw.buttonChanged)
dArea.Connect("button-release-event", mw.buttonChanged)
dArea.SetEvents(int(gdk.POINTER_MOTION_MASK | gdk.POINTER_MOTION_HINT_MASK | gdk.BUTTON_PRESS_MASK | gdk.BUTTON_RELEASE_MASK))
return mw
}
|
