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Initial commit!
author zzzzrrr <mason.green@gmail.com>
date Fri, 20 Mar 2009 06:41:25 -0400
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1 /*
2 * Copyright (c) 2009, Mason Green (zzzzrrr)
3 *
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without modification,
7 * are permitted provided that the following conditions are met:
8 *
9 * * Redistributions of source code must retain the above copyright notice,
10 * this list of conditions and the following disclaimer.
11 * * Redistributions in binary form must reproduce the above copyright notice,
12 * this list of conditions and the following disclaimer in the documentation
13 * and/or other materials provided with the distribution.
14 * * Neither the name of the polygonal nor the names of its contributors may be
15 * used to endorse or promote products derived from this software without specific
16 * prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
22 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
23 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
24 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
25 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
26 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
27 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
28 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30 module melee.melee;
31
32 import Integer = tango.text.convert.Integer;
33 import tango.math.Math;
34 import tango.math.random.Kiss;
35
36 import xf.hybrid.Event;
37 import xf.input.KeySym;
38 import xf.omg.core.LinearAlgebra;
39
40 public import blaze.all;
41
42 import melee.boundaryListener;
43 import melee.contactListener;
44 import melee.ship;
45 import melee.urQuan;
46 import melee.orz;
47
48 // Cursor scale factor
49 const CURSORSIZE = 0.05f;
50
51 const INIT_SPAWN_SIZE = 0.5f;
52
53 // Dragging stuffs
54 const BUNGEE_K = 1.5f;
55 // Damping factor for dragging
56 const DRAGDAMP = 20.0f;
57
58 // Size of hinges
59 const HINGE_RADIUS = 0.05f;
60
61 // Smallest allowed dimension
62 const MIN_DIMENSION = 0.1;
63
64 // Water stuffs
65 const MAX_PARTICLES = 10000;
66 const WATER_BOUNCE = 0.01;
67 const WATER_FRICTION = 0.5;
68 const WATER_RADIUS = 0.05f;
69 const MAX_CIRCLE_RES = 32;
70
71 const k_maxContactPoints = 2048;
72
73 enum ContactState {
74 e_contactAdded,
75 e_contactPersisted,
76 e_contactRemoved
77 }
78
79 struct ContactPoint {
80 bzShape shape1;
81 bzShape shape2;
82 bzVec2 normal;
83 bzVec2 position;
84 bzVec2 velocity;
85 bzContactID id;
86 ContactState state;
87 }
88
89 // Melee settings. Some can be controlled in the GUI.
90 struct Settings {
91 float hz = 60;
92 int velocityIterations = 8;
93 int positionIterations = 2;
94 bool drawShapes = true;
95 bool drawJoints = true;
96 bool drawControllers;
97 bool drawCoreShapes;
98 bool drawAABBs;
99 bool drawOBBs;
100 bool drawPairs;
101 bool drawContactPoints;
102 bool drawContactNormals;
103 bool drawContactForces;
104 bool drawFrictionForces;
105 bool drawCOMs;
106 bool drawStats;
107 bool enableWarmStarting;
108 bool enableTOI;
109 }
110
111 // Dirty, dirty hack for communicating config changes to Main
112 // TODO: Harass h3 to add .changed to hybrid so this isn't necessary
113 struct ConfigChange (T)
114 {
115 protected
116 {
117 bool _pending = false;
118 T _value;
119 }
120
121 T value()
122 {
123 _pending = false;
124 return _value;
125 }
126
127 void value(T change)
128 {
129 _value = change;
130 _pending = true;
131 }
132
133 bool pending()
134 {
135 return _pending;
136 }
137
138 T opAssign(T change)
139 {
140 value(change);
141 return _value;
142 }
143
144 bool opEquals(T other)
145 {
146 return _value == other;
147 }
148 }
149
150 T randomRange(T = int) (T min, T max)
151 {
152 return min + Kiss.instance.natural() % (max + 1 - min);
153 }
154
155 class Melee
156 {
157
158 this(Settings *settings)
159 {
160 this.settings = settings;
161 init();
162 spawnRect = vec2(INIT_SPAWN_SIZE, INIT_SPAWN_SIZE);
163 // bzWorld boundary callback
164 m_boundaryListener = new BoundaryListener(this);
165 // bzContact callback
166 m_contactListener = new ContactListener(this);
167 }
168
169 void init() {
170 // Define world boundaries
171 bzAABB worldAABB;
172 worldAABB.lowerBound.set(-200.0f, -100.0f);
173 worldAABB.upperBound.set(200.0f, 200.0f);
174 world = new bzWorld(worldAABB, gravity, allowSleep);
175 world.boundaryListener = m_boundaryListener;
176 world.contactListener = m_contactListener;
177 viewCenter = vec2(10, 10);
178 ship1 = new Orz(world);
179 ship2 = new UrQuan(world);
180 }
181
182 void drag()
183 {
184
185 }
186
187 EventHandling onClick(MouseButtonEvent e)
188 {
189 return EventHandling.Stop;
190 }
191
192 EventHandling onKey(KeyboardEvent e)
193 {
194 if (e.unicode == '+') { // HACK: the windows input writer doesn't do plus correctly yet - h3
195 e.keySym = KeySym.plus;
196 }
197 if (e.down) {
198 switch (e.keySym) {
199 case KeySym.Escape:
200 quit = true;
201 break;
202 default:
203 char key = cast(char) e.keySym;
204 if(key == 'w') {
205 thrust = true;
206 break;
207 } else {
208 ship1.turn(key);
209 }
210 break;
211 }
212 // Key released
213 } else {
214 char key = cast(char) e.keySym;
215 if(key == 'w') {
216 thrust = false;
217 } else if (key == 'd' || key == 'a') {
218 ship1.rBody.angularVelocity = 0.0f;
219 }
220 }
221
222 return EventHandling.Stop;
223 }
224
225 // Mouse move
226 EventHandling onMove(MouseMoveEvent e)
227 {
228 return EventHandling.Stop;
229 }
230
231 EventHandling onDT(TimeUpdateEvent e)
232 {
233 return EventHandling.Continue;
234 }
235
236 EventHandling onMouseEnter(MouseEnterEvent e)
237 {
238 return EventHandling.Continue;
239 }
240
241 EventHandling onMouseLeave(MouseLeaveEvent e)
242 {
243 return EventHandling.Continue;
244 }
245
246 protected
247 {
248 const bzVec2 gravity = bzVec2(0.0f, 0.0f);
249 bool allowSleep = false;
250
251 vec2 spawnRect;
252
253 vec2[] drawing;
254
255 vec2i screenSize = vec2i.zero;
256 vec2 mousePos = vec2.zero;
257
258 bool scaling = false;
259 bool full = false;
260
261 vec2 spawnStart;
262
263 bool preserveBullet = false;
264
265 float waterDelta = 0;
266 }
267
268 void boundaryViolated(bzBody rBody)
269 {
270 uint key = rBody.toHash();
271 killList[key] = rBody;
272 }
273
274 bool quit;
275
276 // Ortho view zoom
277 float zoom = 40;
278 int pointCount;
279 vec2 viewCenter;
280 bzBody[uint] killList;
281
282 bzWorld world;
283 Settings *settings;
284
285 // bzWorld boundary listener. Destroy bodies that leave world bzAABB
286 bzBoundaryListener m_boundaryListener;
287 bzContactListener m_contactListener;
288 ContactPoint[k_maxContactPoints] points;
289
290 ConfigChange!(vec2) editChange;
291 bool thrust;
292
293 Ship ship1;
294 Ship ship2;
295 }
296
297 // Utility functions
298 bzVec2 toBlaze(vec2 vec)
299 {
300 auto ret = bzVec2(vec.x, vec.y);
301 return ret;
302 }
303
304 vec2 rotate(vec2 point, float rad)
305 {
306 return vec2(cos(rad) * point.x - sin(rad) * point.y, sin(rad) * point.x + cos(rad) * point.y);
307 }
308
309 class Select
310 {
311 bool select;
312 }