-#include "wrapped.h"
-
-extern "C" {
-
- void
- init_video_driver (void)
- {
- init_video_driver_type ();
- DEFINE_GSUBR ("begin-scene", 1, 0, 1, irr_video_beginScene);
- DEFINE_GSUBR ("draw-vertex-primitive-list", 3, 0, 1, irr_video_drawVertexPrimitiveList);
- DEFINE_GSUBR ("end-scene", 1, 0, 0, irr_video_endScene);
- DEFINE_GSUBR ("get-fps", 1, 0, 0, irr_video_getFPS);
- DEFINE_GSUBR ("get-texture", 2, 0, 0, irr_video_getTexture);
- DEFINE_GSUBR ("get-video-driver", 1, 0, 0, irr_getVideoDriver);
- DEFINE_GSUBR ("set-transform!", 3, 0, 0, irr_video_setTransform);
- }
-
- DEFINE_WRAPPED_TYPE (irr::video::IVideoDriver*, "video-driver",
- init_video_driver_type, video_driver_p,
- wrap_video_driver, unwrap_video_driver);
-
- SCM
- irr_video_beginScene (SCM wrapped_video_driver,
- SCM rest)
- {
- SCM back_buffer = SCM_BOOL_T;
- SCM z_buffer = SCM_BOOL_T;
- SCM color = scm_list_4 (scm_from_uint32 (255),
- scm_from_uint32 (0),
- scm_from_uint32 (0),
- scm_from_uint32 (0));
- SCM video_data = SCM_BOOL_F;
- SCM source_rect = SCM_UNDEFINED;
-
- scm_c_bind_keyword_arguments ("begin-scene", rest, (scm_t_keyword_arguments_flags)0,
- scm_from_utf8_keyword ("back-buffer"), &back_buffer,
- scm_from_utf8_keyword ("z-buffer"), &z_buffer,
- scm_from_utf8_keyword ("color"), &color,
- scm_from_utf8_keyword ("video-data"), &video_data,
- scm_from_utf8_keyword ("source-rect"), &source_rect,
- SCM_UNDEFINED);
-
- irr::video::IVideoDriver* driver = unwrap_video_driver (wrapped_video_driver);
- irr::core::rect<irr::s32>* sourceRectAddress = 0;
- if (source_rect != SCM_UNDEFINED)
- {
- irr::core::rect<irr::s32> sourceRect = scm_to_rect_s32 (source_rect);
- sourceRectAddress = &sourceRect;
- }
- return scm_from_bool (driver->beginScene (scm_to_bool (back_buffer),
- scm_to_bool (z_buffer),
- scm_to_color (color),
- irr::video::SExposedVideoData (),
- sourceRectAddress));
- }
-
- SCM
- irr_video_drawVertexPrimitiveList (SCM wrapped_video_driver,
- SCM vertices,
- SCM indices,
- SCM rest)
- {
- SCM v_type = scm_from_utf8_symbol ("standard");
- SCM p_type = scm_from_utf8_symbol ("triangles");
-
- scm_c_bind_keyword_arguments ("draw-vertex-primitive-list", rest, (scm_t_keyword_arguments_flags)0,
- scm_from_utf8_keyword ("vertex-type"), &v_type,
- scm_from_utf8_keyword ("primitive-type"), &p_type,
- SCM_UNDEFINED);
-
- // Build vertex array
- irr::u32 vertex_count = scm_to_uint32 (scm_length (vertices));
- irr::video::S3DVertex s3d_vertices [vertex_count];
- for (int i = 0; i < vertex_count; i++)
- {
- irr::video::S3DVertex* vertex = unwrap_vertex3d (scm_list_ref (vertices, scm_from_int (i)));
- s3d_vertices[i] = irr::video::S3DVertex (vertex->Pos,
- vertex->Normal,
- vertex->Color,
- vertex->TCoords);
- }
-
- // Build index array
- irr::u32 index_count = scm_to_uint32 (scm_length (indices));
- SCM flat_indices = scm_apply_0 (scm_eval_string (scm_from_utf8_string ("append")),
- indices);
- int flat_length = scm_to_int (scm_length (flat_indices));
- irr::u32 c_indices [flat_length];
- for (int i = 0; i < flat_length; i++)
- {
- c_indices[i] = scm_to_uint32 (scm_list_ref (flat_indices, scm_from_int (i)));
- }
-
- // Draw vertices
- irr::video::IVideoDriver* driver = unwrap_video_driver (wrapped_video_driver);
- driver->drawVertexPrimitiveList (&s3d_vertices[0],
- vertex_count,
- &c_indices[0],
- index_count,
- scm_to_vertex_type (v_type),
- scm_to_primitive_type (p_type),
- irr::video::EIT_32BIT);
- return SCM_UNSPECIFIED;
- }
-
- SCM
- irr_video_endScene (SCM wrapped_video_driver)
- {
- irr::video::IVideoDriver* driver = unwrap_video_driver (wrapped_video_driver);
- return scm_from_bool (driver->endScene ());
- }
-
- SCM
- irr_video_getFPS (SCM wrapped_video_driver)
- {
- irr::video::IVideoDriver* driver = unwrap_video_driver (wrapped_video_driver);
- return scm_from_int32 (driver->getFPS ());
- }
-
- SCM
- irr_video_getTexture (SCM wrapped_video_driver,
- SCM filename)
- {
- irr::video::IVideoDriver* driver = unwrap_video_driver (wrapped_video_driver);
- irr::video::ITexture* texture = driver->getTexture (scm_to_utf8_stringn (filename, NULL));
- return wrap_texture (texture);
- }
-
- SCM
- irr_video_setMaterial (SCM wrapped_video_driver,
- SCM material)
- {
- irr::video::IVideoDriver* driver = unwrap_video_driver (wrapped_video_driver);
- driver->setMaterial (*(unwrap_material (material)));
- return SCM_UNSPECIFIED;
- }
-
- SCM
- irr_video_setTransform (SCM wrapped_video_driver,
- SCM state,
- SCM mat)
- {
- irr::video::IVideoDriver* driver = unwrap_video_driver (wrapped_video_driver);
- driver->setTransform (scm_to_transformation_state (state),
- scm_to_matrix4 (mat));
- return SCM_UNSPECIFIED;
- }
-
- SCM
- irr_getVideoDriver (SCM wrapped_obj)
- {
- irr::video::IVideoDriver* driver;
- if (device_p (wrapped_obj))
- {
- driver = unwrap_device (wrapped_obj)->getVideoDriver ();
- }
- else
- {
- scm_error (scm_arg_type_key, NULL, "Cannot get video driver from object: ~S",
- scm_list_1 (wrapped_obj), scm_list_1 (wrapped_obj));
- }
- return wrap_video_driver (driver);
- }
-
- irr::video::E_TRANSFORMATION_STATE
- scm_to_transformation_state (SCM transformation_state)
- {
- char* state = scm_to_utf8_stringn (scm_symbol_to_string (transformation_state), NULL);
- if (!strcmp (state, "view"))
- {
- return irr::video::ETS_VIEW;
- }
- else if (!strcmp (state, "world"))
- {
- return irr::video::ETS_WORLD;
- }
- else if (!strcmp (state, "projection"))
- {
- return irr::video::ETS_PROJECTION;
- }
- else if (!strcmp (state, "texture0"))
- {
- return irr::video::ETS_TEXTURE_0;
- }
- else if (!strcmp (state, "texture1"))
- {
- return irr::video::ETS_TEXTURE_1;
- }
- else if (!strcmp (state, "texture2"))
- {
- return irr::video::ETS_TEXTURE_2;
- }
- else if (!strcmp (state, "texture3"))
- {
- return irr::video::ETS_TEXTURE_3;
- }
- else
- {
- scm_error (scm_arg_type_key, NULL, "Wrong transformation state: ~S",
- scm_list_1 (transformation_state), scm_list_1 (transformation_state));
- }
- }