1 /* guile-irrlicht --- GNU Guile bindings for Irrlicht Engine
3 Copyright (C) 2020 Javier Sancho <jsf@jsancho.org>
5 This file is part of guile-irrlicht.
7 guile-irrlicht is free software; you can redistribute it and/or modify
8 it under the terms of the GNU Lesser General Public License as
9 published by the Free Software Foundation; either version 3 of the
10 License, or (at your option) any later version.
12 guile-irrlicht is distributed in the hope that it will be useful, but
13 WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 General Public License for more details.
17 You should have received a copy of the GNU Lesser General Public
18 License along with guile-irrlicht. If not, see
19 <http://www.gnu.org/licenses/>.
22 #include <irrlicht/irrlicht.h>
27 #include "primitive-types.h"
30 #include "video-driver.h"
35 IVideoDriver_beginScene (SCM video_driver,
42 video::IVideoDriver* driver = (video::IVideoDriver*) scm_to_pointer (video_driver);
45 core::rect<s32>* sourceRectAddress = 0;
46 if (!scm_is_false (source_rect))
48 core::rect<s32> sourceRect = scm_to_rect_s32 (source_rect);
49 sourceRectAddress = &sourceRect;
52 return scm_from_bool (driver->beginScene (scm_to_bool (back_buffer),
53 scm_to_bool (z_buffer),
55 video::SExposedVideoData (),
60 IVideoDriver_drawVertexPrimitiveList (SCM video_driver,
67 u32 vertex_count = scm_to_uint32 (scm_length (vertices));
68 video::S3DVertex s3d_vertices [vertex_count];
69 for (int i = 0; i < vertex_count; i++)
71 video::S3DVertex* vertex =
72 (video::S3DVertex*) scm_to_pointer (scm_list_ref (vertices, scm_from_int (i)));
73 s3d_vertices[i] = video::S3DVertex (vertex->Pos,
80 u32 index_count = scm_to_uint32 (scm_length (indices));
81 SCM flat_indices = scm_apply_0 (scm_eval_string (scm_from_utf8_string ("append")),
83 int flat_length = scm_to_int (scm_length (flat_indices));
84 u32 c_indices [flat_length];
85 for (int i = 0; i < flat_length; i++)
87 c_indices[i] = scm_to_uint32 (scm_list_ref (flat_indices, scm_from_int (i)));
91 video::IVideoDriver* driver = (video::IVideoDriver*) scm_to_pointer (video_driver);
92 driver->drawVertexPrimitiveList (&s3d_vertices[0],
96 scm_to_vertex_type (v_type),
97 scm_to_primitive_type (p_type),
99 return SCM_UNSPECIFIED;
103 IVideoDriver_endScene (SCM video_driver)
105 video::IVideoDriver* driver = (video::IVideoDriver*) scm_to_pointer (video_driver);
106 return scm_from_bool (driver->endScene ());
110 IVideoDriver_getFPS (SCM video_driver)
112 video::IVideoDriver* driver = (video::IVideoDriver*) scm_to_pointer (video_driver);
113 return scm_from_int32 (driver->getFPS ());
117 IVideoDriver_getTexture (SCM video_driver,
120 video::IVideoDriver* driver = (video::IVideoDriver*) scm_to_pointer (video_driver);
121 video::ITexture* texture = driver->getTexture (scm_to_utf8_stringn (filename, NULL));
122 return scm_from_pointer ((void*) texture, NULL);
126 IVideoDriver_setMaterial (SCM video_driver,
129 video::IVideoDriver* driver = (video::IVideoDriver*) scm_to_pointer (video_driver);
130 driver->setMaterial (*((video::SMaterial*) scm_to_pointer (material)));
131 return SCM_UNSPECIFIED;
135 IVideoDriver_setTransform (SCM video_driver,
139 video::IVideoDriver* driver = (video::IVideoDriver*) scm_to_pointer (video_driver);
140 driver->setTransform (scm_to_transformation_state (state),
141 scm_to_matrix4 (mat));
142 return SCM_UNSPECIFIED;
147 init_video_driver (void)
149 DEFINE_GSUBR ("IVideoDriver_beginScene", 6, 0, 0, IVideoDriver_beginScene);
150 DEFINE_GSUBR ("IVideoDriver_drawVertexPrimitiveList", 5, 0, 1,
151 IVideoDriver_drawVertexPrimitiveList);
152 DEFINE_GSUBR ("IVideoDriver_endScene", 1, 0, 0, IVideoDriver_endScene);
153 DEFINE_GSUBR ("IVideoDriver_getFPS", 1, 0, 0, IVideoDriver_getFPS);
154 DEFINE_GSUBR ("IVideoDriver_getTexture", 2, 0, 0, IVideoDriver_getTexture);
155 DEFINE_GSUBR ("IVideoDriver_setMaterial", 2, 0, 0, IVideoDriver_setMaterial);
156 DEFINE_GSUBR ("IVideoDriver_setTransform", 3, 0, 0, IVideoDriver_setTransform);
159 video::E_TRANSFORMATION_STATE
160 scm_to_transformation_state (SCM transformation_state)
162 char* state = scm_to_utf8_stringn (scm_symbol_to_string (transformation_state), NULL);
163 if (!strcmp (state, "view"))
165 return video::ETS_VIEW;
167 else if (!strcmp (state, "world"))
169 return video::ETS_WORLD;
171 else if (!strcmp (state, "projection"))
173 return video::ETS_PROJECTION;
175 else if (!strcmp (state, "texture0"))
177 return video::ETS_TEXTURE_0;
179 else if (!strcmp (state, "texture1"))
181 return video::ETS_TEXTURE_1;
183 else if (!strcmp (state, "texture2"))
185 return video::ETS_TEXTURE_2;
187 else if (!strcmp (state, "texture3"))
189 return video::ETS_TEXTURE_3;
193 scm_error (scm_arg_type_key, NULL, "Wrong transformation state: ~S",
194 scm_list_1 (transformation_state), scm_list_1 (transformation_state));