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https://git.do.srb2.org/KartKrew/Kart-Public.git
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Merge branch 'new_spriteframe_angle' of http://git.magicalgirl.moe/STJr/SRB2.git into public_flatsprite
# Conflicts: # src/r_things.c
This commit is contained in:
toasterbabe
commit
c5675c0725
4 changed files with 113 additions and 37 deletions
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@ -5094,22 +5094,29 @@ static void HWR_ProjectSprite(mobj_t *thing)
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I_Error("sprframes NULL for sprite %d\n", thing->sprite);
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#endif
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if (sprframe->rotate)
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{
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// choose a different rotation based on player view
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ang = R_PointToAngle(thing->x, thing->y); // uses viewx,viewy
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rot = (ang-thing->angle+ANGLE_202h)>>29;
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//Fab: lumpid is the index for spritewidth,spriteoffset... tables
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lumpoff = sprframe->lumpid[rot];
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flip = sprframe->flip & (1<<rot);
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}
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else
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if (sprframe->rotate == SRF_SINGLE)
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{
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// use single rotation for all views
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rot = 0; //Fab: for vis->patch below
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lumpoff = sprframe->lumpid[0]; //Fab: see note above
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flip = sprframe->flip; // Will only be 0x00 or 0xFF
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}
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else
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{
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// choose a different rotation based on player view
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ang = R_PointToAngle (thing->x, thing->y) - thing->angle;
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if ((ang < ANGLE_180) && (sprframe->rotate & SRF_RIGHT)) // See from right
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rot = 6; // F7 slot
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else if ((ang >= ANGLE_180) && (sprframe->rotate & SRF_LEFT)) // See from left
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rot = 2; // F3 slot
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else // Normal behaviour
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rot = (ang+ANGLE_202h)>>29;
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//Fab: lumpid is the index for spritewidth,spriteoffset... tables
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lumpoff = sprframe->lumpid[rot];
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flip = sprframe->flip & (1<<rot);
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}
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if (thing->skin && ((skin_t *)thing->skin)->flags & SF_HIRES)
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this_scale = this_scale * FIXED_TO_FLOAT(((skin_t *)thing->skin)->highresscale);
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18
src/r_defs.h
18
src/r_defs.h
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@ -729,23 +729,35 @@ typedef struct
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#pragma pack()
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#endif
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typedef enum
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{
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SRF_SINGLE = 0, // 0-angle for all rotations
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SRF_3D = 1, // Angles 1-8
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SRF_LEFT = 2, // Left side has single patch
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SRF_RIGHT = 4, // Right side has single patch
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SRF_2D = 6, // SRF_LEFT|SRF_RIGHT
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SRF_NONE = 0xff // Initial value
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} spriterotateflags_t; // SRF's up!
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//
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// Sprites are patches with a special naming convention so they can be
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// recognized by R_InitSprites.
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// The base name is NNNNFx or NNNNFxFx, with x indicating the rotation,
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// x = 0, 1-7.
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// x = 0, 1-8, L/R
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// The sprite and frame specified by a thing_t is range checked at run time.
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// A sprite is a patch_t that is assumed to represent a three dimensional
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// object and may have multiple rotations predrawn.
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// Horizontal flipping is used to save space, thus NNNNF2F5 defines a mirrored patch.
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// Some sprites will only have one picture used for all views: NNNNF0
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// Some sprites will take the entirety of the left side: NNNNFL
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// Or the right side: NNNNFR
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// Or both, mirrored: NNNNFLFR
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//
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typedef struct
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{
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// If false use 0 for any position.
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// Note: as eight entries are available, we might as well insert the same
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// name eight times.
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UINT8 rotate;
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UINT8 rotate; // see spriterotateflags_t above
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// Lump to use for view angles 0-7.
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lumpnum_t lumppat[8]; // lump number 16 : 16 wad : lump
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@ -100,7 +100,7 @@ static void R_InstallSpriteLump(UINT16 wad, // graphics patch
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lumppat <<= 16;
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lumppat += lump;
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if (frame >= 64 || rotation > 8)
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if (frame >= 64 || !(R_ValidSpriteAngle(rotation)))
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I_Error("R_InstallSpriteLump: Bad frame characters in lump %s", W_CheckNameForNum(lumppat));
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if (maxframe ==(size_t)-1 || frame > maxframe)
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@ -109,31 +109,65 @@ static void R_InstallSpriteLump(UINT16 wad, // graphics patch
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if (rotation == 0)
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{
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// the lump should be used for all rotations
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if (sprtemp[frame].rotate == 0)
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if (sprtemp[frame].rotate == SRF_SINGLE)
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CONS_Debug(DBG_SETUP, "R_InitSprites: Sprite %s frame %c has multiple rot = 0 lump\n", spritename, cn);
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if (sprtemp[frame].rotate == 1)
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else if (sprtemp[frame].rotate != SRF_NONE) // Let's complain for both 1-8 and L/R rotations.
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CONS_Debug(DBG_SETUP, "R_InitSprites: Sprite %s frame %c has rotations and a rot = 0 lump\n", spritename, cn);
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sprtemp[frame].rotate = 0;
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sprtemp[frame].rotate = SRF_SINGLE;
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for (r = 0; r < 8; r++)
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{
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sprtemp[frame].lumppat[r] = lumppat;
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sprtemp[frame].lumpid[r] = lumpid;
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}
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sprtemp[frame].flip = flipped ? UINT8_MAX : 0;
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sprtemp[frame].flip = flipped ? UINT8_MAX : 0; // 11111111 in binary
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return;
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}
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if (rotation == ROT_L || rotation == ROT_R)
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{
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UINT8 rightfactor = ((rotation == ROT_R) ? 4 : 0);
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// the lump should be used for half of all rotations
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if (sprtemp[frame].rotate == SRF_SINGLE)
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CONS_Debug(DBG_SETUP, "R_InitSprites: Sprite %s frame %c has L/R rotations and a rot = 0 lump\n", spritename, cn);
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else if (sprtemp[frame].rotate == SRF_3D)
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CONS_Debug(DBG_SETUP, "R_InitSprites: Sprite %s frame %c has both L/R and 1-8 rotations\n", spritename, cn);
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// Let's not complain about multiple L/R rotations. It's not worth the effort.
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if (sprtemp[frame].rotate == SRF_NONE)
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sprtemp[frame].rotate = SRF_SINGLE;
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sprtemp[frame].rotate |= ((rotation == ROT_R) ? SRF_RIGHT : SRF_LEFT);
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if (sprtemp[frame].rotate == (SRF_3D|SRF_2D))
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sprtemp[frame].rotate = SRF_2D; // SRF_3D|SRF_2D being enabled at the same time doesn't HURT in the current sprite angle implementation, but it DOES mean more to check in some of the helper functions. Let's not allow this scenario to happen.
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for (r = 1; r < 4; r++) // Don't set for front/back frames
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{
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sprtemp[frame].lumppat[r + rightfactor] = lumppat;
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sprtemp[frame].lumpid[r + rightfactor] = lumpid;
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}
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sprtemp[frame].flip |= (flipped ? (0x0F << rightfactor) : 0); // 00001111 or 11110000 in binary, depending on rotation being ROT_L or ROT_R
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return;
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}
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// the lump is only used for one rotation
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if (sprtemp[frame].rotate == 0)
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CONS_Debug(DBG_SETUP, "R_InitSprites: Sprite %s frame %c has rotations and a rot = 0 lump\n", spritename, cn);
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sprtemp[frame].rotate = 1;
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if (sprtemp[frame].rotate == SRF_SINGLE)
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CONS_Debug(DBG_SETUP, "R_InitSprites: Sprite %s frame %c has 1-8 rotations and a rot = 0 lump\n", spritename, cn);
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else if ((sprtemp[frame].rotate != SRF_3D) && (sprtemp[frame].rotate != SRF_NONE))
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CONS_Debug(DBG_SETUP, "R_InitSprites: Sprite %s frame %c has both L/R and 1-8 rotations\n", spritename, cn);
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// make 0 based
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rotation--;
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if (rotation == 0 || rotation == 4) // Front or back...
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sprtemp[frame].rotate = SRF_3D; // Prevent L and R changeover
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else if (rotation > 3) // Right side
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sprtemp[frame].rotate = (SRF_3D | (sprtemp[frame].rotate & SRF_LEFT)); // Continue allowing L frame changeover
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else // if (rotation <= 3) // Left side
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sprtemp[frame].rotate = (SRF_3D | (sprtemp[frame].rotate & SRF_RIGHT)); // Continue allowing R frame changeover
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if (sprtemp[frame].lumppat[rotation] != LUMPERROR)
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CONS_Debug(DBG_SETUP, "R_InitSprites: Sprite %s: %c%c has two lumps mapped to it\n", spritename, cn, '1'+rotation);
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@ -195,7 +229,7 @@ static boolean R_AddSingleSpriteDef(const char *sprname, spritedef_t *spritedef,
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frame = R_Char2Frame(lumpinfo[l].name[4]);
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rotation = (UINT8)(lumpinfo[l].name[5] - '0');
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if (frame >= 64 || rotation > 8) // Give an actual NAME error -_-...
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if (frame >= 64 || !(R_ValidSpriteAngle(rotation))) // Give an actual NAME error -_-...
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{
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CONS_Alert(CONS_WARNING, M_GetText("Bad sprite name: %s\n"), W_CheckNameForNumPwad(wadnum,l));
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continue;
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@ -278,16 +312,23 @@ static boolean R_AddSingleSpriteDef(const char *sprname, spritedef_t *spritedef,
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{
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switch (sprtemp[frame].rotate)
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{
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case 0xff:
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case SRF_NONE:
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// no rotations were found for that frame at all
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I_Error("R_AddSingleSpriteDef: No patches found for %.4s frame %c", sprname, R_Frame2Char(frame));
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break;
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case 0:
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case SRF_SINGLE:
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// only the first rotation is needed
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break;
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case 1:
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case SRF_2D: // both Left and Right rotations
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// we test to see whether the left and right slots are present
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if ((sprtemp[frame].lumppat[2] == LUMPERROR) || (sprtemp[frame].lumppat[6] == LUMPERROR))
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I_Error("R_AddSingleSpriteDef: Sprite %s frame %c is missing rotations",
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sprname, R_Frame2Char(frame));
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break;
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default:
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// must have all 8 frames
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for (rotation = 0; rotation < 8; rotation++)
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// we test the patch lump, or the id lump whatever
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@ -1152,22 +1193,29 @@ static void R_ProjectSprite(mobj_t *thing)
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ang_scale = abs(FINESINE(ang>>ANGLETOFINESHIFT));
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}
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if (sprframe->rotate)
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{
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// choose a different rotation based on player view
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//ang = R_PointToAngle (thing->x, thing->y);
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rot = (ang-thing->angle+ANGLE_202h)>>29;
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//Fab: lumpid is the index for spritewidth,spriteoffset... tables
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lump = sprframe->lumpid[rot];
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flip = sprframe->flip & (1<<rot);
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}
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else
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if (sprframe->rotate == SRF_SINGLE)
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{
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// use single rotation for all views
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rot = 0; //Fab: for vis->patch below
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lump = sprframe->lumpid[0]; //Fab: see note above
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flip = sprframe->flip; // Will only be 0x00 or 0xFF
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}
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else
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{
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// choose a different rotation based on player view
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ang = R_PointToAngle (thing->x, thing->y) - thing->angle;
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if ((ang < ANGLE_180) && (sprframe->rotate & SRF_RIGHT)) // See from right
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rot = 6; // F7 slot
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else if ((ang >= ANGLE_180) && (sprframe->rotate & SRF_LEFT)) // See from left
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rot = 2; // F3 slot
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else // Normal behaviour
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rot = (ang+ANGLE_202h)>>29;
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//Fab: lumpid is the index for spritewidth,spriteoffset... tables
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lump = sprframe->lumpid[rot];
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flip = sprframe->flip & (1<<rot);
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}
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I_Assert(lump < max_spritelumps);
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@ -17,6 +17,10 @@
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#include "sounds.h"
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#include "r_plane.h"
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// "Left" and "Right" character symbols for additional rotation functionality
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#define ROT_L ('L' - '0')
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#define ROT_R ('R' - '0')
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// number of sprite lumps for spritewidth,offset,topoffset lookup tables
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// Fab: this is a hack : should allocate the lookup tables per sprite
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#define MAXVISSPRITES 2048 // added 2-2-98 was 128
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@ -231,4 +235,9 @@ FUNCMATH FUNCINLINE static ATTRINLINE UINT8 R_Char2Frame(char cn)
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#endif
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}
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FUNCMATH FUNCINLINE static ATTRINLINE boolean R_ValidSpriteAngle(UINT8 rotation)
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{
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return ((rotation <= 8) || (rotation == ROT_L) || (rotation == ROT_R));
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}
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#endif //__R_THINGS__
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