dagon.game.game source code

1 /*
2 Copyright (c) 2019-2020 Timur Gafarov
3 
4 Boost Software License - Version 1.0 - August 17th, 2003
5 Permission is hereby granted, free of charge, to any person or organization
6 obtaining a copy of the software and accompanying documentation covered by
7 this license (the "Software") to use, reproduce, display, distribute,
8 execute, and transmit the Software, and to prepare derivative works of the
9 Software, and to permit third-parties to whom the Software is furnished to
10 do so, all subject to the following:
11 
12 The copyright notices in the Software and this entire statement, including
13 the above license grant, this restriction and the following disclaimer,
14 must be included in all copies of the Software, in whole or in part, and
15 all derivative works of the Software, unless such copies or derivative
16 works are solely in the form of machine-executable object code generated by
17 a source language processor.
18 
19 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
20 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
21 FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
22 SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
23 FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
24 ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
25 DEALINGS IN THE SOFTWARE.
26 */
27 
28 module dagon.game.game;
29 
30 import std.stdio;
31 
32 import dlib.core.memory;
33 import dlib.core.ownership;
34 
35 import dagon.core.bindings;
36 import dagon.core.event;
37 import dagon.core.time;
38 import dagon.core.application;
39 import dagon.core.config;
40 import dagon.graphics.state;
41 import dagon.graphics.entity;
42 import dagon.resource.scene;
43 import dagon.game.renderer;
44 import dagon.game.deferredrenderer;
45 import dagon.game.postprocrenderer;
46 import dagon.game.presentrenderer;
47 import dagon.game.hudrenderer;
48 
49 version(Windows) import core.sys.windows.windows;
50 
51 class Game: Application
52 {
53     Scene currentScene;
54 
55     Renderer renderer;
56     DeferredRenderer deferredRenderer;
57     PostProcRenderer postProcessingRenderer;
58     PresentRenderer presentRenderer;
59     HUDRenderer hudRenderer;
60     
61     alias deferred = deferredRenderer;
62     alias postProc = postProcessingRenderer;
63     alias present = presentRenderer;
64     alias hud = hudRenderer;
65     
66     Configuration config;
67 
68     this(uint w, uint h, bool fullscreen, string title, string[] args)
69     {
70         config = New!Configuration(this);
71         if (config.fromFile("settings.conf"))
72         {
73             if ("windowWidth" in config.props)
74                 w = config.props["windowWidth"].toUInt;
75             if ("windowHeight" in config.props)
76                 h = config.props["windowHeight"].toUInt;
77             if ("fullscreen" in config.props)
78                 fullscreen = cast(bool)(config.props["fullscreen"].toUInt);
79             if ("windowTitle" in config.props)
80                 title = config.props["windowTitle"].toString;
81             version(Windows) if ("hideConsole" in config.props)
82                 if (config.props["hideConsole"].toUInt)
83                     ShowWindow(GetConsoleWindow(), SW_HIDE);
84         }
85         else
86         {
87             writeln("Warning: no \"settings.conf\" found");
88         }
89         
90         super(w, h, fullscreen, title, args);
91 
92         deferredRenderer = New!DeferredRenderer(eventManager, this);
93         renderer = deferredRenderer;
94         postProcessingRenderer = New!PostProcRenderer(eventManager, deferredRenderer.outputBuffer, deferredRenderer.gbuffer, this);
95         presentRenderer = New!PresentRenderer(eventManager, postProcessingRenderer.outputBuffer, this);
96         hudRenderer = New!HUDRenderer(eventManager, this);
97         
98         deferredRenderer.setViewport(0, 0, eventManager.windowWidth, eventManager.windowHeight);
99         postProcessingRenderer.setViewport(0, 0, eventManager.windowWidth, eventManager.windowHeight);
100         presentRenderer.setViewport(0, 0, eventManager.windowWidth, eventManager.windowHeight);
101         hudRenderer.setViewport(0, 0, eventManager.windowWidth, eventManager.windowHeight);
102         
103         deferredRenderer.ssaoEnabled = false;
104         postProcessingRenderer.motionBlurEnabled = false;
105         postProcessingRenderer.glowEnabled = false;
106         postProcessingRenderer.fxaaEnabled = false;
107         postProcessingRenderer.lutEnabled = false;
108         postProcessingRenderer.lensDistortionEnabled = false;
109     }
110 
111     override void onUpdate(Time t)
112     {
113         if (currentScene)
114         {
115             currentScene.update(t);
116             deferredRenderer.scene = currentScene;
117             hudRenderer.scene = currentScene;
118             deferredRenderer.update(t);
119             postProcessingRenderer.activeCamera = deferredRenderer.activeCamera;
120             postProcessingRenderer.update(t);
121             presentRenderer.scene = currentScene;
122             presentRenderer.update(t);
123             hudRenderer.scene = currentScene;
124             hudRenderer.update(t);
125         }
126     }
127 
128     override void onRender()
129     {
130         if (currentScene)
131         {
132             if (currentScene.canRender)
133             {
134                 deferredRenderer.render();
135                 postProcessingRenderer.render();
136                 presentRenderer.inputBuffer = postProcessingRenderer.outputBuffer;
137                 presentRenderer.render();
138                 hudRenderer.render();
139             }
140         }
141     }
142     
143     override void onResize(int width, int height)
144     {
145         deferredRenderer.setViewport(0, 0, width, height);
146         postProcessingRenderer.setViewport(0, 0, width, height);
147         presentRenderer.setViewport(0, 0, width, height);
148         hudRenderer.setViewport(0, 0, width, height);
149     }
150 }