summaryrefslogtreecommitdiff
path: root/scene/main/viewport.h
blob: c3c339ac5de1abce5d56940a37f5b950edd2dda6 (plain)
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
/*************************************************************************/
/*  viewport.h                                                           */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
/*                    http://www.godotengine.org                         */
/*************************************************************************/
/* Copyright (c) 2007-2015 Juan Linietsky, Ariel Manzur.                 */
/*                                                                       */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the       */
/* "Software"), to deal in the Software without restriction, including   */
/* without limitation the rights to use, copy, modify, merge, publish,   */
/* distribute, sublicense, and/or sell copies of the Software, and to    */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions:                                             */
/*                                                                       */
/* The above copyright notice and this permission notice shall be        */
/* included in all copies or substantial portions of the Software.       */
/*                                                                       */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
/*************************************************************************/
#ifndef VIEWPORT_H
#define VIEWPORT_H

#include "scene/main/node.h"
#include "servers/visual_server.h"
#include "scene/resources/world_2d.h"
#include "math_2d.h"
#include "scene/resources/texture.h"
/**
	@author Juan Linietsky <reduzio@gmail.com>
*/

class Camera;
class Viewport;

class RenderTargetTexture : public Texture {

	OBJ_TYPE( RenderTargetTexture, Texture );

	int flags;
friend class Viewport;
	Viewport *vp;


public:


	virtual int get_width() const;
	virtual int get_height() const;
	virtual Size2 get_size() const;
	virtual RID get_rid() const;

	virtual bool has_alpha() const;

	virtual void set_flags(uint32_t p_flags);
	virtual uint32_t get_flags() const;

	RenderTargetTexture(Viewport *p_vp=NULL);

};

class Viewport : public Node {

	OBJ_TYPE( Viewport, Node );
public:

	enum RenderTargetUpdateMode {
		RENDER_TARGET_UPDATE_DISABLED,
		RENDER_TARGET_UPDATE_ONCE, //then goes to disabled
		RENDER_TARGET_UPDATE_WHEN_VISIBLE, // default
		RENDER_TARGET_UPDATE_ALWAYS
	};

private:

friend class RenderTargetTexture;
	Viewport *parent;

	Camera *camera;
	Set<Camera*> cameras;

	RID viewport;
	RID canvas_item;
	RID current_canvas;

	bool audio_listener;
	RID listener;

	bool audio_listener_2d;
	RID listener_2d;

	Matrix32 canvas_transform;
	Matrix32 global_canvas_transform;
	Matrix32 stretch_transform;

	Rect2 rect;
	Rect2 to_screen_rect;


	bool size_override;
	bool size_override_stretch;
	Size2 size_override_size;
	Size2 size_override_margin;

	Rect2 last_vp_rect;

	bool transparent_bg;
	bool render_target_vflip;
	bool render_target_clear_on_new_frame;
	bool render_target_filter;
	bool render_target_gen_mipmaps;

	bool physics_object_picking;
	List<InputEvent> physics_picking_events;
	ObjectID physics_object_capture;
	ObjectID physics_object_over;
	Vector2 physics_last_mousepos;
	void _test_new_mouseover(ObjectID new_collider);
	Map<ObjectID,uint64_t> physics_2d_mouseover;

	void _update_rect();

	void _parent_resized();
	void _parent_draw();
	void _parent_visibility_changed();

	Ref<World2D> world_2d;
	Ref<World> world;
	Ref<World> own_world;

	StringName input_group;
	StringName gui_input_group;
	StringName unhandled_input_group;
	StringName unhandled_key_input_group;

	void _update_listener();
	void _update_listener_2d();

	void _propagate_enter_world(Node *p_node);
	void _propagate_exit_world(Node *p_node);


	void _update_stretch_transform();
	void _update_global_transform();

	bool render_target;
	RenderTargetUpdateMode render_target_update_mode;
	RID render_target_texture_rid;
	Ref<RenderTargetTexture> render_target_texture;


	void update_worlds();

	_FORCE_INLINE_ Matrix32 _get_input_pre_xform() const;

	void _vp_enter_tree();
	void _vp_exit_tree();

	void _vp_input(const InputEvent& p_ev);
	void _vp_unhandled_input(const InputEvent& p_ev);
	void _make_input_local(InputEvent& ev);

friend class Camera;
	void _camera_transform_changed_notify();
	void _set_camera(Camera* p_camera);

protected:	
	void _notification(int p_what);
	static void _bind_methods();
public:


	Camera* get_camera() const;

	void set_as_audio_listener(bool p_enable);
	bool is_audio_listener() const;

	void set_as_audio_listener_2d(bool p_enable);
	bool is_audio_listener_2d() const;

	void set_rect(const Rect2& p_rect);	
	Rect2 get_rect() const;
	Rect2 get_visible_rect() const;
	RID get_viewport() const;

	void set_world(const Ref<World>& p_world);
	Ref<World> get_world() const;
	Ref<World> find_world() const;

	Ref<World2D> find_world_2d() const;


	void set_canvas_transform(const Matrix32& p_transform);
	Matrix32 get_canvas_transform() const;

	void set_global_canvas_transform(const Matrix32& p_transform);
	Matrix32 get_global_canvas_transform() const;

	Matrix32 get_final_transform() const;

	void set_transparent_background(bool p_enable);
	bool has_transparent_background() const;


	void set_size_override(bool p_enable,const Size2& p_size=Size2(-1,-1),const Vector2& p_margin=Vector2());
	Size2 get_size_override() const;
	bool is_size_override_enabled() const;
	void set_size_override_stretch(bool p_enable);
	bool is_size_override_stretch_enabled() const;

	void set_as_render_target(bool p_enable);
	bool is_set_as_render_target() const;

	void set_render_target_vflip(bool p_enable);
	bool get_render_target_vflip() const;

	void set_render_target_clear_on_new_frame(bool p_enable);
	bool get_render_target_clear_on_new_frame() const;
	void render_target_clear();

	void set_render_target_filter(bool p_enable);
	bool get_render_target_filter() const;

	void set_render_target_gen_mipmaps(bool p_enable);
	bool get_render_target_gen_mipmaps() const;

	void set_render_target_update_mode(RenderTargetUpdateMode p_mode);
	RenderTargetUpdateMode get_render_target_update_mode() const;
	Ref<RenderTargetTexture> get_render_target_texture() const;


	Vector2 get_camera_coords(const Vector2& p_viewport_coords) const;
	Vector2 get_camera_rect_size() const;

	void queue_screen_capture();
	Image get_screen_capture() const;

	void set_use_own_world(bool p_world);
	bool is_using_own_world() const;

	void input(const InputEvent& p_event);
	void unhandled_input(const InputEvent& p_event);

	void set_render_target_to_screen_rect(const Rect2& p_rect);
	Rect2 get_render_target_to_screen_rect() const;

	Vector2 get_mouse_pos() const;
	void warp_mouse(const Vector2& p_pos);

	void set_physics_object_picking(bool p_enable);
	bool get_physics_object_picking();

	Viewport();	
	~Viewport();

};

VARIANT_ENUM_CAST(Viewport::RenderTargetUpdateMode);
#endif