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Decompile setupCamera

This commit is contained in:
Ryan Dwyer 2020-10-23 17:55:16 +10:00
parent 44c804348a
commit ff5084680d
5 changed files with 99 additions and 189 deletions
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189
src/game/game_00c490.c
View File

@ -1438,140 +1438,61 @@ void setupMine(struct mineobj *mine, s32 cmdindex)
mine->base.prop->unk3f_02 = 1;
}
GLOBAL_ASM(
glabel setupCamera
.late_rodata
glabel var7f1a8048
.word 0x40c907a9
glabel var7f1a804c
.word 0x40c907a9
.text
/* f00da10: 27bdff38 */ addiu $sp,$sp,-200
/* f00da14: afbf0044 */ sw $ra,0x44($sp)
/* f00da18: afb00040 */ sw $s0,0x40($sp)
/* f00da1c: 00808025 */ or $s0,$a0,$zero
/* f00da20: f7b60038 */ sdc1 $f22,0x38($sp)
/* f00da24: 0fc033b9 */ jal setupGenericObject
/* f00da28: f7b40030 */ sdc1 $f20,0x30($sp)
/* f00da2c: 860e005c */ lh $t6,0x5c($s0)
/* f00da30: 05c2006e */ bltzl $t6,.L0f00dbec
/* f00da34: 8fbf0044 */ lw $ra,0x44($sp)
/* f00da38: 8e0f0018 */ lw $t7,0x18($s0)
/* f00da3c: 00002825 */ or $a1,$zero,$zero
/* f00da40: 0c006a6f */ jal modelGetPartNodeData
/* f00da44: 8de40008 */ lw $a0,0x8($t7)
/* f00da48: 8604005c */ lh $a0,0x5c($s0)
/* f00da4c: afa200b4 */ sw $v0,0xb4($sp)
/* f00da50: 24050002 */ addiu $a1,$zero,0x2
/* f00da54: 0fc456ac */ jal padUnpack
/* f00da58: 27a60060 */ addiu $a2,$sp,0x60
/* f00da5c: 8fa300b4 */ lw $v1,0xb4($sp)
/* f00da60: 2604001c */ addiu $a0,$s0,0x1c
/* f00da64: 27a500b8 */ addiu $a1,$sp,0xb8
/* f00da68: c4640000 */ lwc1 $f4,0x0($v1)
/* f00da6c: e7a400b8 */ swc1 $f4,0xb8($sp)
/* f00da70: c4660004 */ lwc1 $f6,0x4($v1)
/* f00da74: e7a600bc */ swc1 $f6,0xbc($sp)
/* f00da78: c4680008 */ lwc1 $f8,0x8($v1)
/* f00da7c: 0c005882 */ jal func00016208
/* f00da80: e7a800c0 */ swc1 $f8,0xc0($sp)
/* f00da84: 8e180014 */ lw $t8,0x14($s0)
/* f00da88: c7aa00b8 */ lwc1 $f10,0xb8($sp)
/* f00da8c: c7a600bc */ lwc1 $f6,0xbc($sp)
/* f00da90: c7120008 */ lwc1 $f18,0x8($t8)
/* f00da94: 44800000 */ mtc1 $zero,$f0
/* f00da98: 3c013f80 */ lui $at,0x3f80
/* f00da9c: 46125100 */ add.s $f4,$f10,$f18
/* f00daa0: c7b200c0 */ lwc1 $f18,0xc0($sp)
/* f00daa4: 26040060 */ addiu $a0,$s0,0x60
/* f00daa8: 44050000 */ mfc1 $a1,$f0
/* f00daac: e7a400b8 */ swc1 $f4,0xb8($sp)
/* f00dab0: 8e190014 */ lw $t9,0x14($s0)
/* f00dab4: 44060000 */ mfc1 $a2,$f0
/* f00dab8: 44070000 */ mfc1 $a3,$f0
/* f00dabc: c728000c */ lwc1 $f8,0xc($t9)
/* f00dac0: 46083280 */ add.s $f10,$f6,$f8
/* f00dac4: e7aa00bc */ swc1 $f10,0xbc($sp)
/* f00dac8: 8e080014 */ lw $t0,0x14($s0)
/* f00dacc: c5060010 */ lwc1 $f6,0x10($t0)
/* f00dad0: afa4004c */ sw $a0,0x4c($sp)
/* f00dad4: e7a00024 */ swc1 $f0,0x24($sp)
/* f00dad8: 46069200 */ add.s $f8,$f18,$f6
/* f00dadc: c7b20060 */ lwc1 $f18,0x60($sp)
/* f00dae0: c7a60064 */ lwc1 $f6,0x64($sp)
/* f00dae4: e7a0001c */ swc1 $f0,0x1c($sp)
/* f00dae8: 46122501 */ sub.s $f20,$f4,$f18
/* f00daec: c7a40068 */ lwc1 $f4,0x68($sp)
/* f00daf0: 44819000 */ mtc1 $at,$f18
/* f00daf4: 46065081 */ sub.s $f2,$f10,$f6
/* f00daf8: e7a800c0 */ swc1 $f8,0xc0($sp)
/* f00dafc: e7b40010 */ swc1 $f20,0x10($sp)
/* f00db00: 46044581 */ sub.s $f22,$f8,$f4
/* f00db04: e7a20014 */ swc1 $f2,0x14($sp)
/* f00db08: e7a20058 */ swc1 $f2,0x58($sp)
/* f00db0c: e7b20020 */ swc1 $f18,0x20($sp)
/* f00db10: 0c005b56 */ jal func00016d58
/* f00db14: e7b60018 */ swc1 $f22,0x18($sp)
/* f00db18: 8e090018 */ lw $t1,0x18($s0)
/* f00db1c: 8fa5004c */ lw $a1,0x4c($sp)
/* f00db20: 0c0057c1 */ jal func00015f04
/* f00db24: c52c0014 */ lwc1 $f12,0x14($t1)
/* f00db28: 8e0a00a8 */ lw $t2,0xa8($s0)
/* f00db2c: 3c014780 */ lui $at,0x4780
/* f00db30: 44811000 */ mtc1 $at,$f2
/* f00db34: 448a5000 */ mtc1 $t2,$f10
/* f00db38: 3c017f1b */ lui $at,%hi(var7f1a8048)
/* f00db3c: c4308048 */ lwc1 $f16,%lo(var7f1a8048)($at)
/* f00db40: 468051a0 */ cvt.s.w $f6,$f10
/* f00db44: 8e0b00ac */ lw $t3,0xac($s0)
/* f00db48: 8e0c00b4 */ lw $t4,0xb4($s0)
/* f00db4c: 8e0d00bc */ lw $t5,0xbc($s0)
/* f00db50: 448b9000 */ mtc1 $t3,$f18
/* f00db54: 44800000 */ mtc1 $zero,$f0
/* f00db58: 46103202 */ mul.s $f8,$f6,$f16
/* f00db5c: a600005e */ sh $zero,0x5e($s0)
/* f00db60: 4600a306 */ mov.s $f12,$f20
/* f00db64: 4600b386 */ mov.s $f14,$f22
/* f00db68: e60000b0 */ swc1 $f0,0xb0($s0)
/* f00db6c: 468092a0 */ cvt.s.w $f10,$f18
/* f00db70: 46024103 */ div.s $f4,$f8,$f2
/* f00db74: 46105182 */ mul.s $f6,$f10,$f16
/* f00db78: 46023203 */ div.s $f8,$f6,$f2
/* f00db7c: e60400a8 */ swc1 $f4,0xa8($s0)
/* f00db80: 448c2000 */ mtc1 $t4,$f4
/* f00db84: 00000000 */ nop
/* f00db88: 468024a0 */ cvt.s.w $f18,$f4
/* f00db8c: 46109282 */ mul.s $f10,$f18,$f16
/* f00db90: e60800ac */ swc1 $f8,0xac($s0)
/* f00db94: 448d4000 */ mtc1 $t5,$f8
/* f00db98: c61200a8 */ lwc1 $f18,0xa8($s0)
/* f00db9c: 46804120 */ cvt.s.w $f4,$f8
/* f00dba0: e61200a4 */ swc1 $f18,0xa4($s0)
/* f00dba4: 46025183 */ div.s $f6,$f10,$f2
/* f00dba8: e60400bc */ swc1 $f4,0xbc($s0)
/* f00dbac: 0fc259d4 */ jal func0f096750
/* f00dbb0: e60600b4 */ swc1 $f6,0xb4($s0)
/* f00dbb4: 4614a282 */ mul.s $f10,$f20,$f20
/* f00dbb8: e60000a0 */ swc1 $f0,0xa0($s0)
/* f00dbbc: 4616b182 */ mul.s $f6,$f22,$f22
/* f00dbc0: 0c012974 */ jal sqrtf
/* f00dbc4: 46065300 */ add.s $f12,$f10,$f6
/* f00dbc8: c7ac0058 */ lwc1 $f12,0x58($sp)
/* f00dbcc: 0fc259d4 */ jal func0f096750
/* f00dbd0: 46000386 */ mov.s $f14,$f0
/* f00dbd4: 3c017f1b */ lui $at,%hi(var7f1a804c)
/* f00dbd8: c428804c */ lwc1 $f8,%lo(var7f1a804c)($at)
/* f00dbdc: ae0000b8 */ sw $zero,0xb8($s0)
/* f00dbe0: 46004101 */ sub.s $f4,$f8,$f0
/* f00dbe4: e60400c0 */ swc1 $f4,0xc0($s0)
/* f00dbe8: 8fbf0044 */ lw $ra,0x44($sp)
.L0f00dbec:
/* f00dbec: d7b40030 */ ldc1 $f20,0x30($sp)
/* f00dbf0: d7b60038 */ ldc1 $f22,0x38($sp)
/* f00dbf4: 8fb00040 */ lw $s0,0x40($sp)
/* f00dbf8: 03e00008 */ jr $ra
/* f00dbfc: 27bd00c8 */ addiu $sp,$sp,0xc8
);
void setupCamera(struct cameraobj *camera, s32 cmdindex)
{
struct defaultobj *obj = &camera->base;
setupGenericObject(obj, cmdindex);
if (camera->lookatpadnum >= 0) {
struct coord lenspos;
union modelnode_data *lens = modelGetPartNodeData(obj->model->unk08, MODELPART_LENS);
struct pad pad;
f32 xdiff;
f32 ydiff;
f32 zdiff;
padUnpack(camera->lookatpadnum, PADFIELD_POS, &pad);
lenspos.x = lens->position.pos.x;
lenspos.y = lens->position.pos.y;
lenspos.z = lens->position.pos.z;
func00016208(obj->realrot, &lenspos);
lenspos.x += obj->prop->pos.x;
lenspos.y += obj->prop->pos.y;
lenspos.z += obj->prop->pos.z;
xdiff = lenspos.x - pad.pos.x;
ydiff = lenspos.y - pad.pos.y;
zdiff = lenspos.z - pad.pos.z;
if (ydiff) {
// empty
}
func00016d58(camera->camrotm, 0.0f, 0.0f, 0.0f, xdiff, ydiff, zdiff, 0.0f, 1.0f, 0.0f);
func00015f04(obj->model->unk14, camera->camrotm);
camera->toleft = 0;
camera->yleft = *(s32 *)&camera->yleft * M_BADTAU / 65536.0f;
camera->yright = *(s32 *)&camera->yright * M_BADTAU / 65536.0f;
camera->yspeed = 0.0f;
camera->ymaxspeed = *(s32 *)&camera->ymaxspeed * M_BADTAU / 65536.0f;
camera->maxdist = *(s32 *)&camera->maxdist;
camera->yrot = camera->yleft;
camera->yzero = func0f096750(xdiff, zdiff);
camera->xzero = M_BADTAU - func0f096750(ydiff, sqrtf(xdiff * xdiff + zdiff * zdiff));
if (xdiff || zdiff) {
// empty
}
camera->seebondtime60 = 0;
}
}
void setupAutogun(struct autogunobj *autogun, s32 cmdindex)
{

1
src/include/constants.h
View File

@ -1599,6 +1599,7 @@
#define MODELNODETYPE_HEADSPOT 0x17
#define MODELNODETYPE_DISPLAYLIST 0x18
#define MODELPART_LENS 0x00
#define MODELPART_ROBOTMUZZLEFLASHR 0x02
#define MODELPART_ROBOTMUZZLEFLASHL 0x03
#define MODELPART_HUDPIECE 0x04

2
src/include/lib/lib_1a500.h
View File

@ -15,7 +15,7 @@ u32 func0001a784(void);
u32 func0001a7cc(void);
u32 func0001a85c(void);
struct modelnode *modelGetPart(struct model08 *arg0, s32 partnum);
struct modelnode_partid *modelGetPartNodeData(struct model08 *model08, s32 arg1);
union modelnode_data *modelGetPartNodeData(struct model08 *model08, s32 partnum);
u32 func0001a9e8(void);
void *modelGetNodeData(struct model *model, struct modelnode *node);
void modelNodeGetPosition(struct model *model, struct modelnode *node, struct coord *pos);

68
src/include/types.h
View File

@ -242,22 +242,22 @@ struct modelnode_displaylist { // type 0x18
u16 index;
};
union modelnode_data {
struct modelnode_root root;
struct modelnode_position position;
struct modelnode_nearfar nearfar;
struct modelnode_hat hat;
struct modelnode_0b unk0b;
struct modelnode_gunfire gunfire;
struct modelnode_partid partid;
struct modelnode_positionheld positionheld;
struct modelnode_headspot headspot;
struct modelnode_displaylist displaylist;
};
struct modelnode {
u16 type;
union {
struct modelnode_root *root;
struct modelnode_position *position;
struct modelnode_nearfar *nearfar;
struct modelnode_hat *hat;
struct modelnode_0b *unk0b;
struct modelnode_gunfire *gunfire;
struct modelnode_partid *partid;
struct modelnode_positionheld *positionheld;
struct modelnode_headspot *headspot;
struct modelnode_displaylist *displaylist;
} data;
union modelnode_data *data;
struct modelnode *relation; // unsure if parent or child
};
@ -1230,32 +1230,20 @@ struct keyobj { // objtype 0x04
struct cameraobj { // objtype 0x06
struct defaultobj base;
/*0x5c*/ u32 unk5c;
/*0x60*/ u32 unk60;
/*0x64*/ u32 unk64;
/*0x68*/ u32 unk68;
/*0x6c*/ u32 unk6c;
/*0x70*/ u32 unk70;
/*0x74*/ u32 unk74;
/*0x78*/ u32 unk78;
/*0x7c*/ u32 unk7c;
/*0x80*/ u32 unk80;
/*0x84*/ u32 unk84;
/*0x88*/ u32 unk88;
/*0x8c*/ u32 unk8c;
/*0x90*/ u32 unk90;
/*0x94*/ u32 unk94;
/*0x98*/ u32 unk98;
/*0x9c*/ u32 unk9c;
/*0xa0*/ u32 unka0;
/*0xa4*/ u32 unka4;
/*0xa8*/ u32 unka8;
/*0xac*/ u32 unkac;
/*0xb0*/ u32 unkb0;
/*0xb4*/ u32 unkb4;
/*0xb8*/ u32 unkb8;
/*0xbc*/ u32 unkbc;
/*0xc0*/ u32 unkc0;
// Note y is being used as an abbreviation for yaw
/*0x5c*/ s16 lookatpadnum;
/*0x5e*/ s16 toleft;
/*0x60*/ f32 camrotm[16];
/*0xa0*/ f32 yzero;
/*0xa4*/ f32 yrot;
/*0xa8*/ f32 yleft;
/*0xac*/ f32 yright;
/*0xb0*/ f32 yspeed;
/*0xb4*/ f32 ymaxspeed;
/*0xb8*/ s32 seebondtime60;
/*0xbc*/ f32 maxdist;
/*0xc0*/ f32 xzero;
};
struct ammocrateobj { // objtype 0x07

28
src/lib/lib_1a500.c
View File

@ -406,12 +406,12 @@ struct modelnode *modelGetPart(struct model08 *model08, s32 partnum)
return NULL;
}
struct modelnode_partid *modelGetPartNodeData(struct model08 *model08, s32 partnum)
union modelnode_data *modelGetPartNodeData(struct model08 *model08, s32 partnum)
{
struct modelnode *node = modelGetPart(model08, partnum);
if (node) {
return node->data.partid;
return node->data;
}
return NULL;
@ -443,28 +443,28 @@ void *modelGetNodeData(struct model *model, struct modelnode *node)
switch (node->type & 0xff) {
case MODELNODETYPE_ROOT:
index = node->data.root->index;
index = node->data->root.index;
break;
case MODELNODETYPE_DISPLAYLIST:
index = node->data.displaylist->index;
index = node->data->displaylist.index;
break;
case MODELNODETYPE_NEARFAR:
index = node->data.nearfar->index;
index = node->data->nearfar.index;
break;
case MODELNODETYPE_PARTID:
index = node->data.partid->index;
index = node->data->partid.index;
break;
case MODELNODETYPE_HAT:
index = node->data.hat->index;
index = node->data->hat.index;
break;
case MODELNODETYPE_0B:
index = node->data.unk0b->index;
index = node->data->unk0b.index;
break;
case MODELNODETYPE_GUNFIRE:
index = node->data.gunfire->index;
index = node->data->gunfire.index;
break;
case MODELNODETYPE_HEADSPOT:
index = node->data.headspot->index;
index = node->data->headspot.index;
break;
}
@ -494,7 +494,7 @@ void modelNodeGetPosition(struct model *model, struct modelnode *node, struct co
break;
case MODELNODETYPE_POSITION:
{
struct modelnode_position *data = node->data.position;
struct modelnode_position *data = &node->data->position;
pos->x = data->pos.x;
pos->y = data->pos.y;
pos->z = data->pos.z;
@ -502,7 +502,7 @@ void modelNodeGetPosition(struct model *model, struct modelnode *node, struct co
break;
case MODELNODETYPE_POSITIONHELD:
{
struct modelnode_positionheld *data = node->data.positionheld;
struct modelnode_positionheld *data = &node->data->positionheld;
pos->x = data->pos.x;
pos->y = data->pos.y;
pos->z = data->pos.z;
@ -539,7 +539,7 @@ void modelNodeSetPosition(struct model *model, struct modelnode *node, struct co
break;
case MODELNODETYPE_POSITION:
{
struct modelnode_position *data = node->data.position;
struct modelnode_position *data = &node->data->position;
data->pos.x = pos->x;
data->pos.y = pos->y;
data->pos.z = pos->z;
@ -547,7 +547,7 @@ void modelNodeSetPosition(struct model *model, struct modelnode *node, struct co
break;
case MODELNODETYPE_POSITIONHELD:
{
struct modelnode_positionheld *data = node->data.positionheld;
struct modelnode_positionheld *data = &node->data->positionheld;
data->pos.x = pos->x;
data->pos.y = pos->y;
data->pos.z = pos->z;