129 lines
3.0 KiB
C
129 lines
3.0 KiB
C
//
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// Functions that act on the imported meshes
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//
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#ifndef _MF_
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#define _MF_
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#include "imp.h"
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//
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// Loads all the textures for the mesh.
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//
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void MF_load_textures(IMP_Mesh *im);
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//
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// Backs up the mesh, so it can be rotated later on.
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//
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void MF_backup(IMP_Mesh *im);
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//
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// MAKE SURE YOU'VE ALREADY CALLED MF_backup()
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//
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void MF_rotate_mesh(
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IMP_Mesh *im,
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float yaw,
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float pitch = 0.0F,
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float roll = 0.0F,
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float scale = 1.0F,
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float pos_x = 0.0F,
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float pos_y = 0.0F,
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float pos_z = 0.0F);
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void MF_rotate_mesh(
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IMP_Mesh *im,
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float pos_x,
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float pos_y,
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float pos_z,
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float matrix[9]); // Matrix must be normalised or the mesh normals will be fucked up.
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//
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// Transforms all the points of the mesh into the OS_trans array
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//
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void MF_transform_points(IMP_Mesh *im);
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//
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// Sets the (lu,lv)s of the vertices of the mesh to give a diffuse spotlight.
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// It also sets the colour field of the shared vertices for diffuse lighting
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// depending on the normal and the bumpmap (du,dv)s in the shared vectices.
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//
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void MF_diffuse_spotlight(
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IMP_Mesh *im,
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float light_x,
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float light_y,
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float light_z,
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float light_matrix[9],
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float light_lens); // The bigger the lens the smaller the spotlight.
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//
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// Sets the (lu,lv)s of the shared vertices of the given light to
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// create a specular highlight. This treats the light as a spot-light.
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// It also sets the 'colour' field which should be used as a gouraud value
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// for the specular map.
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//
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void MF_specular_spotlight(
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IMP_Mesh *im,
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float light_x,
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float light_y,
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float light_z,
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float light_matrix[9],
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float light_lens); // The bigger the lens the smaller the spotlight.
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//
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// Adds all the faces of the mesh normally...
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//
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void MF_add_triangles_normal(IMP_Mesh *im, ULONG draw = OS_DRAW_NORMAL);
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//
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// Adds all the faces of the mesh normally but uses the given gouraud shade
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// value for all the points.
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//
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void MF_add_triangles_normal_colour(IMP_Mesh *im, ULONG draw = OS_DRAW_NORMAL, ULONG colour = 0xffffff);
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//
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// Creates each face using the (u,v)s from the verts and the colour from the
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// sverts. Draws using the given texture page.
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//
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void MF_add_triangles_light (IMP_Mesh *im, OS_Texture *ot, ULONG draw = OS_DRAW_ADD | OS_DRAW_CLAMP);
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void MF_add_triangles_light_bumpmapped(IMP_Mesh *im, OS_Texture *ot, ULONG draw = OS_DRAW_ADD | OS_DRAW_CLAMP);
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//
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// Adds the faces using a mesh light with MF_specular_spotlight. It takes the (u,v) from
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// the sverts. The texture (ot) should be a specular spotlight texture.
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//
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void MF_add_triangles_specular (IMP_Mesh *im, OS_Texture *ot, ULONG draw = OS_DRAW_ADD | OS_DRAW_CLAMP);
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void MF_add_triangles_specular_bumpmapped(IMP_Mesh *im, OS_Texture *ot, ULONG draw = OS_DRAW_ADD | OS_DRAW_CLAMP);
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//
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// Draws the specular shadowed using the diffuse spotlight.
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//
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void MF_add_triangles_specular_shadowed(IMP_Mesh *im, OS_Texture *ot_specdot, OS_Texture *ot_diffdot, ULONG draw = OS_DRAW_ADD | OS_DRAW_CLAMP | OS_DRAW_TEX_MUL);
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#endif
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