mm/src/code/cutscene_camera.c

940 lines
31 KiB
C

#include "global.h"
#include "string.h"
#include "z64olib.h"
#pragma increment_block_number "n64-us:128"
CutsceneCamera* sCurCsCamera;
typedef s16 (*CsCamInterpolateCallback)(Vec3f*, f32*, s16*, CsCmdCamPoint*, CsCmdCamMisc*, CutsceneCameraInterp*);
s16 CutsceneCamera_Interp_Off(Vec3f* camPos, f32* camFov, s16* camRoll, CsCmdCamPoint* pointCmd, CsCmdCamMisc* miscCmd,
CutsceneCameraInterp* interpState);
s16 CutsceneCamera_Interp_None(Vec3f* camPos, f32* camFov, s16* camRoll, CsCmdCamPoint* pointCmd, CsCmdCamMisc* miscCmd,
CutsceneCameraInterp* interpState);
s16 CutsceneCamera_Interp_MultiPointQuadratic(Vec3f* camPos, f32* camFov, s16* camRoll, CsCmdCamPoint* pointCmd,
CsCmdCamMisc* miscCmd, CutsceneCameraInterp* interpState);
s16 CutsceneCamera_Interp_MultiPointCubic(Vec3f* camPos, f32* camFov, s16* camRoll, CsCmdCamPoint* pointCmd,
CsCmdCamMisc* miscCmd, CutsceneCameraInterp* interpState);
s16 CutsceneCamera_Interp_Set(Vec3f* camPos, f32* camFov, s16* camRoll, CsCmdCamPoint* pointCmd, CsCmdCamMisc* miscCmd,
CutsceneCameraInterp* interpState);
s16 CutsceneCamera_Interp_Linear(Vec3f* camPos, f32* camFov, s16* camRoll, CsCmdCamPoint* pointCmd,
CsCmdCamMisc* miscCmd, CutsceneCameraInterp* interpState);
s16 CutsceneCamera_Interp_Scale(Vec3f* camPos, f32* camFov, s16* camRoll, CsCmdCamPoint* pointCmd,
CsCmdCamMisc* miscCmd, CutsceneCameraInterp* interpState);
s16 CutsceneCamera_Interp_Geo(Vec3f* camPos, f32* camFov, s16* camRoll, CsCmdCamPoint* pointCmd, CsCmdCamMisc* miscCmd,
CutsceneCameraInterp* interpState);
s16 CutsceneCamera_Interp_Unused(Vec3f* camPos, f32* camFov, s16* camRoll, CsCmdCamPoint* pointCmd,
CsCmdCamMisc* miscCmd, CutsceneCameraInterp* interpState);
f32 func_80163660(Actor* actor);
s16 CutsceneCamera_Interp_Off(Vec3f* camPos, f32* camFov, s16* camRoll, CsCmdCamPoint* pointCmd, CsCmdCamMisc* miscCmd,
CutsceneCameraInterp* interpState) {
return 0;
}
/**
* Initializes Cutscene Camera Info
*/
s32 CutsceneCamera_Init(Camera* camera, CutsceneCamera* csCamera) {
csCamera->camera = camera;
csCamera->nextSplineTimer = csCamera->updateSplineTimer = 0;
csCamera->cmdIndex = 0;
csCamera->splineIndex = -1;
csCamera->splineNeedsInit = true;
csCamera->state = CS_CAM_STATE_UPDATE_ALL;
sCurCsCamera = csCamera;
memset(&csCamera->eyeInterp, 0, sizeof(CutsceneCameraInterp));
memset(&csCamera->atInterp, 0, sizeof(CutsceneCameraInterp));
csCamera->eyeInterp.type = csCamera->atInterp.type = CS_CAM_INTERP_OFF;
return 1;
}
CsCamInterpolateCallback CutsceneCamera_Interpolate(u8 interpType) {
switch (interpType) {
case CS_CAM_INTERP_OFF:
default:
return CutsceneCamera_Interp_Off;
case CS_CAM_INTERP_NONE:
return CutsceneCamera_Interp_None;
case CS_CAM_INTERP_MP_QUAD:
return CutsceneCamera_Interp_MultiPointQuadratic;
case CS_CAM_INTERP_MP_CUBIC:
return CutsceneCamera_Interp_MultiPointCubic;
case CS_CAM_INTERP_SET:
return CutsceneCamera_Interp_Set;
case CS_CAM_INTERP_LINEAR:
return CutsceneCamera_Interp_Linear;
case CS_CAM_INTERP_SCALE:
return CutsceneCamera_Interp_Scale;
case CS_CAM_INTERP_GEO:
return CutsceneCamera_Interp_Geo;
}
}
u8 CutsceneCamera_ProcessSpline(CutsceneCamera* csCamera) {
s32 sp5C;
f32* camFov;
s16* camRoll;
CsCamInterpolateCallback interpHandler;
Player* player;
Actor* target;
s16 numPoints;
sp5C = true;
if (csCamera->state == CS_CAM_STATE_DONE_SPLINE) {
return false;
}
player = GET_PLAYER(csCamera->camera->play);
target = csCamera->camera->target;
if (csCamera->eyeCmd[csCamera->atInterp.curPoint].interpType <
csCamera->atCmd[csCamera->eyeInterp.curPoint].interpType) {
sp5C = false;
}
csCamera->eyeInterp.curPos = csCamera->camera->eye;
csCamera->atInterp.curPos = csCamera->camera->at;
if (sp5C) {
camFov = NULL;
} else {
camFov = &csCamera->camera->fov;
}
if (sp5C) {
camRoll = NULL;
} else {
camRoll = &csCamera->camera->roll;
}
interpHandler = CutsceneCamera_Interpolate(csCamera->atCmd[csCamera->eyeInterp.curPoint].interpType);
switch (csCamera->atCmd[csCamera->eyeInterp.curPoint].relativeTo) {
case CS_CAM_REL_2:
OLib_Vec3fDiff(&player->actor.world, &csCamera->camera->at, &csCamera->camera->at, OLIB_DIFF);
break;
case CS_CAM_REL_3:
OLib_Vec3fDiff(&player->actor.world, &csCamera->camera->at, &csCamera->camera->at, OLIB_DIFF_OFFSET);
break;
case CS_CAM_REL_1:
OLib_Vec3fDiff(&player->actor.world, &csCamera->camera->at, &csCamera->camera->at, OLIB_DIFF_OFFSET);
break;
case CS_CAM_REL_4:
OLib_Vec3fDiff(&target->world, &csCamera->camera->at, &csCamera->camera->at, OLIB_DIFF_OFFSET);
break;
case CS_CAM_REL_5:
OLib_Vec3fDiff(&target->world, &csCamera->camera->at, &csCamera->camera->at, OLIB_DIFF);
break;
default: // CS_CAM_REL_0
break;
}
numPoints = interpHandler(&csCamera->camera->at, camFov, camRoll, &csCamera->atCmd[csCamera->eyeInterp.curPoint],
&csCamera->miscCmd[csCamera->eyeInterp.curPoint], &csCamera->eyeInterp);
switch (csCamera->atCmd[csCamera->eyeInterp.curPoint].relativeTo) {
case CS_CAM_REL_2:
OLib_Vec3fAdd(&player->actor.world, &csCamera->camera->at, &csCamera->camera->at, OLIB_ADD);
break;
case CS_CAM_REL_3:
OLib_Vec3fAdd(&player->actor.world, &csCamera->camera->at, &csCamera->camera->at, OLIB_ADD_OFFSET);
csCamera->camera->at.y += func_80163660(&player->actor);
break;
case CS_CAM_REL_1:
OLib_Vec3fAdd(&player->actor.world, &csCamera->camera->at, &csCamera->camera->at, OLIB_ADD_OFFSET);
break;
case CS_CAM_REL_4:
OLib_Vec3fAdd(&target->world, &csCamera->camera->at, &csCamera->camera->at, OLIB_ADD_OFFSET);
break;
case CS_CAM_REL_5:
OLib_Vec3fAdd(&target->world, &csCamera->camera->at, &csCamera->camera->at, OLIB_ADD);
break;
default: // CS_CAM_REL_0
break;
}
csCamera->eyeInterp.curPoint += numPoints;
if (sp5C) {
camFov = &csCamera->camera->fov;
} else {
camFov = NULL;
}
if (sp5C) {
camRoll = &csCamera->camera->roll;
} else {
camRoll = NULL;
}
interpHandler = CutsceneCamera_Interpolate(csCamera->eyeCmd[csCamera->atInterp.curPoint].interpType);
switch (csCamera->eyeCmd[csCamera->atInterp.curPoint].relativeTo) {
case CS_CAM_REL_2:
OLib_Vec3fDiff(&player->actor.world, &csCamera->camera->eye, &csCamera->camera->eye, OLIB_DIFF);
break;
case CS_CAM_REL_3:
OLib_Vec3fDiff(&player->actor.world, &csCamera->camera->eye, &csCamera->camera->eye, OLIB_DIFF_OFFSET);
break;
case CS_CAM_REL_1:
OLib_Vec3fDiff(&player->actor.world, &csCamera->camera->eye, &csCamera->camera->eye, OLIB_DIFF_OFFSET);
break;
case CS_CAM_REL_4:
OLib_Vec3fDiff(&target->world, &csCamera->camera->eye, &csCamera->camera->eye, OLIB_DIFF_OFFSET);
break;
case CS_CAM_REL_5:
OLib_Vec3fDiff(&target->world, &csCamera->camera->eye, &csCamera->camera->eye, OLIB_DIFF);
break;
default: // CS_CAM_REL_0
break;
}
numPoints = interpHandler(&csCamera->camera->eye, camFov, camRoll, &csCamera->eyeCmd[csCamera->atInterp.curPoint],
&csCamera->miscCmd[csCamera->atInterp.curPoint], &csCamera->atInterp);
switch (csCamera->eyeCmd[csCamera->atInterp.curPoint].relativeTo) {
case CS_CAM_REL_2:
OLib_Vec3fAdd(&player->actor.world, &csCamera->camera->eye, &csCamera->camera->eye, OLIB_ADD);
break;
case CS_CAM_REL_3:
OLib_Vec3fAdd(&player->actor.world, &csCamera->camera->eye, &csCamera->camera->eye, OLIB_ADD_OFFSET);
csCamera->camera->eye.y += func_80163660(&player->actor);
break;
case CS_CAM_REL_1:
OLib_Vec3fAdd(&player->actor.world, &csCamera->camera->eye, &csCamera->camera->eye, OLIB_ADD_OFFSET);
break;
case CS_CAM_REL_4:
OLib_Vec3fAdd(&target->world, &csCamera->camera->eye, &csCamera->camera->eye, OLIB_ADD_OFFSET);
break;
case CS_CAM_REL_5:
OLib_Vec3fAdd(&target->world, &csCamera->camera->eye, &csCamera->camera->eye, OLIB_ADD);
break;
default: // CS_CAM_REL_0
break;
}
csCamera->atInterp.curPoint += numPoints;
if ((csCamera->eyeInterp.curPoint >= csCamera->eyeInterp.numEntries) ||
(csCamera->atInterp.curPoint >= csCamera->atInterp.numEntries)) {
return false;
}
return true;
}
/**
* Processes camera cutscene commands
*/
s32 CutsceneCamera_UpdateSplines(u8* script, CutsceneCamera* csCamera) {
CsCmdCamSpline* spline;
switch (csCamera->state) {
case CS_CAM_STATE_DONE:
return 0;
case CS_CAM_STATE_PAUSE:
return csCamera->nextSplineTimer;
case CS_CAM_STATE_UPDATE_SPLINE:
if (csCamera->updateSplineTimer <= csCamera->duration) {
csCamera->updateSplineTimer++;
if (csCamera->updateSplineTimer <= csCamera->duration) {
// Process Spline
if (!CutsceneCamera_ProcessSpline(csCamera)) {
csCamera->state = CS_CAM_STATE_DONE_SPLINE;
}
}
}
break;
case CS_CAM_STATE_DONE_SPLINE:
break;
default: // CS_CAM_STATE_UPDATE_ALL
if (csCamera->splineNeedsInit == true) {
// Spline Header
spline = (CsCmdCamSpline*)&script[csCamera->cmdIndex];
csCamera->atInterp.numEntries = csCamera->eyeInterp.numEntries = spline->numEntries;
csCamera->duration = spline->duration;
csCamera->cmdIndex += sizeof(CsCmdCamSpline);
// At Point
csCamera->atCmd = (CsCmdCamPoint*)&script[csCamera->cmdIndex];
csCamera->cmdIndex += (s16)(csCamera->eyeInterp.numEntries * sizeof(CsCmdCamPoint));
// Eye Point
csCamera->eyeCmd = (CsCmdCamPoint*)&script[csCamera->cmdIndex];
csCamera->cmdIndex += (s16)(csCamera->eyeInterp.numEntries * sizeof(CsCmdCamPoint));
// Misc
csCamera->miscCmd = (CsCmdCamMisc*)&script[csCamera->cmdIndex];
csCamera->cmdIndex += (s16)(csCamera->eyeInterp.numEntries * sizeof(CsCmdCamMisc));
// Other Params
csCamera->eyeInterp.curPoint = csCamera->atInterp.curPoint = 0;
csCamera->splineNeedsInit = false;
csCamera->splineIndex++;
csCamera->state = CS_CAM_STATE_UPDATE_ALL;
csCamera->nextSplineTimer = csCamera->updateSplineTimer = 0;
csCamera->eyeInterp.type = csCamera->atInterp.type = CS_CAM_INTERP_OFF;
}
csCamera->nextSplineTimer++;
if (csCamera->updateSplineTimer <= csCamera->duration) {
csCamera->updateSplineTimer++;
if (csCamera->updateSplineTimer <= csCamera->duration) {
// Process SubCommands
if (!CutsceneCamera_ProcessSpline(csCamera)) {
csCamera->state = CS_CAM_STATE_DONE_SPLINE;
}
}
}
break;
}
if (csCamera->nextSplineTimer > csCamera->duration) {
// Next Spline
csCamera->splineNeedsInit = true;
spline = (CsCmdCamSpline*)&script[csCamera->cmdIndex];
if (spline->numEntries == -1) {
csCamera->state = CS_CAM_STATE_DONE;
return 0;
}
}
return csCamera->nextSplineTimer;
}
// Unused
s16 func_80161BAC(void) {
return (sCurCsCamera->state == CS_CAM_STATE_PAUSE) || (sCurCsCamera->state == CS_CAM_STATE_UPDATE_SPLINE);
}
void CutsceneCamera_SetState(s16 state) {
if (sCurCsCamera->state == CS_CAM_STATE_UPDATE_ALL) {
sCurCsCamera->state = state;
}
}
void CutsceneCamera_Reset(void) {
sCurCsCamera->state = CS_CAM_STATE_UPDATE_ALL;
}
// Linear interpolation from initial values to cmd values. Set weight to 100 to go all the way to the cmd value.
s16 CutsceneCamera_Interp_Linear(Vec3f* camPos, f32* camFov, s16* camRoll, CsCmdCamPoint* pointCmd,
CsCmdCamMisc* miscCmd, CutsceneCameraInterp* interpState) {
f32 lerp;
if (interpState->type != CS_CAM_INTERP_LINEAR) {
// Initialize
interpState->type = CS_CAM_INTERP_LINEAR;
interpState->waypoint = 0;
interpState->curFrame = 0;
interpState->duration = 1;
if (camPos != NULL) {
interpState->initPos.x = camPos->x;
interpState->initPos.y = camPos->y;
interpState->initPos.z = camPos->z;
}
if (camFov != NULL) {
interpState->initFov = *camFov;
}
if (camRoll != NULL) {
interpState->initRoll = *camRoll;
}
}
interpState->curFrame++;
lerp = ((f32)interpState->curFrame / pointCmd->duration) * (pointCmd->weight / 100.0f);
if (camPos != NULL) {
VEC3F_LERPIMPDST(camPos, &interpState->initPos, &pointCmd->pos, lerp);
}
if (camFov != NULL) {
*camFov = LERPIMP(interpState->initFov, miscCmd->fov, lerp);
}
if (camRoll != NULL) {
s16 targetRoll;
s16 rollDiffToTarget;
targetRoll = CAM_DEG_TO_BINANG(miscCmd->roll);
rollDiffToTarget = (s16)(targetRoll - TRUNCF_BINANG(interpState->initRoll));
*camRoll = TRUNCF_BINANG(interpState->initRoll) + TRUNCF_BINANG(rollDiffToTarget * lerp);
}
if (interpState->curFrame >= pointCmd->duration) {
// Finished
interpState->type = CS_CAM_INTERP_OFF;
return 1;
}
return 0;
}
s16 CutsceneCamera_Interp_Scale(Vec3f* camPos, f32* camFov, s16* camRoll, CsCmdCamPoint* pointCmd,
CsCmdCamMisc* miscCmd, CutsceneCameraInterp* interpState) {
f32 lerp;
f32 tmp1;
f32 tmp2;
if (interpState->type != CS_CAM_INTERP_SCALE) {
// Initialize
interpState->type = CS_CAM_INTERP_SCALE;
interpState->waypoint = 0;
interpState->curFrame = 0;
interpState->duration = 1;
if (camPos != NULL) {
interpState->initPos.x = camPos->x;
interpState->initPos.y = camPos->y;
interpState->initPos.z = camPos->z;
}
if (camFov != NULL) {
interpState->initFov = *camFov;
}
if (camRoll != NULL) {
interpState->initRoll = *camRoll;
}
}
tmp2 = (((pointCmd->weight + 100) * (pointCmd->duration / 2)) +
(((pointCmd->weight + 100) / 2) * (pointCmd->duration & 1)));
if (pointCmd->duration < 2) {
lerp = 1.0f;
} else {
tmp1 = (f32)(pointCmd->weight - 100) / (pointCmd->duration - 1);
lerp = ((interpState->curFrame * tmp1) + 100.0f) / tmp2;
}
interpState->curFrame++;
if (camPos != NULL) {
camPos->x += (pointCmd->pos.x - interpState->initPos.x) * lerp;
camPos->y += (pointCmd->pos.y - interpState->initPos.y) * lerp;
camPos->z += (pointCmd->pos.z - interpState->initPos.z) * lerp;
}
if (camFov != NULL) {
*camFov += (miscCmd->fov - interpState->initFov) * lerp;
}
if (camRoll != NULL) {
s16 targetRoll;
s16 rollDiffToTarget;
targetRoll = CAM_DEG_TO_BINANG(miscCmd->roll);
rollDiffToTarget = (s16)(targetRoll - TRUNCF_BINANG(interpState->initRoll));
*camRoll += TRUNCF_BINANG(rollDiffToTarget * lerp);
}
if (interpState->curFrame >= pointCmd->duration) {
// Finished
interpState->type = CS_CAM_INTERP_OFF;
return 1;
}
return 0;
}
s16 CutsceneCamera_Interp_Geo(Vec3f* camPos, f32* camFov, s16* camRoll, CsCmdCamPoint* pointCmd, CsCmdCamMisc* miscCmd,
CutsceneCameraInterp* interpState) {
VecGeo sp40;
f32 lerp;
f32 tmp1;
f32 tmp2;
if (interpState->type != CS_CAM_INTERP_GEO) {
// Initialize
interpState->type = CS_CAM_INTERP_GEO;
interpState->waypoint = 0;
interpState->curFrame = 0;
interpState->duration = 1;
if (camPos != NULL) {
interpState->unk_20 = OLib_Vec3fDist(&interpState->curPos, camPos) * Math_FTanF(DEG_TO_RAD(*camFov));
}
if (camFov != NULL) {
interpState->initFov = *camFov;
}
if (camRoll != NULL) {
interpState->initRoll = *camRoll;
}
}
tmp2 = (((pointCmd->weight + 100) * (pointCmd->duration / 2)) +
(((pointCmd->weight + 100) / 2) * (pointCmd->duration & 1)));
if (pointCmd->duration < 2) {
lerp = 1.0f;
} else {
tmp1 = (f32)(pointCmd->weight - 100) / (pointCmd->duration - 1);
lerp = ((interpState->curFrame * tmp1) + 100.0f) / tmp2;
}
interpState->curFrame++;
if (camPos != NULL) {
sp40 = OLib_Vec3fDiffToVecGeo(&interpState->curPos, camPos);
sp40.r = interpState->unk_20 / Math_FTanF(DEG_TO_RAD(*camFov));
*camPos = OLib_AddVecGeoToVec3f(&interpState->curPos, &sp40);
}
if (camFov != NULL) {
*camFov += (miscCmd->fov - interpState->initFov) * lerp;
}
if (camRoll != NULL) {
s16 targetRoll;
s16 rollDiffToTarget;
targetRoll = CAM_DEG_TO_BINANG(miscCmd->roll);
rollDiffToTarget = (s16)(targetRoll - TRUNCF_BINANG(interpState->initRoll));
*camRoll += TRUNCF_BINANG(rollDiffToTarget * lerp);
}
if (interpState->curFrame >= pointCmd->duration) {
// Finished
interpState->type = CS_CAM_INTERP_OFF;
return 1;
}
return 0;
}
// Updates the interpolation state but does not change the pos/fov/roll values
s16 CutsceneCamera_Interp_None(Vec3f* camPos, f32* camFov, s16* camRoll, CsCmdCamPoint* pointCmd, CsCmdCamMisc* miscCmd,
CutsceneCameraInterp* interpState) {
if (interpState->type != CS_CAM_INTERP_NONE) {
// Initialize
interpState->type = CS_CAM_INTERP_NONE;
interpState->waypoint = 0;
interpState->curFrame = 0;
interpState->duration = 1;
}
interpState->curFrame++;
if (interpState->curFrame >= pointCmd->duration) {
// Finishes
interpState->type = CS_CAM_INTERP_OFF;
return 1;
}
return 0;
}
// Immediately sets the values
s16 CutsceneCamera_Interp_Set(Vec3f* camPos, f32* camFov, s16* camRoll, CsCmdCamPoint* pointCmd, CsCmdCamMisc* miscCmd,
CutsceneCameraInterp* interpState) {
s16 pad;
if (interpState->type != CS_CAM_INTERP_SET) {
// Initialize
interpState->type = CS_CAM_INTERP_SET;
interpState->waypoint = 0;
interpState->curFrame = 0;
interpState->duration = 1;
if (camFov != NULL) {
*camFov = miscCmd->fov;
}
if (camRoll != NULL) {
*camRoll = CAM_DEG_TO_BINANG(miscCmd->roll);
}
}
if (camPos != NULL) {
camPos->x = pointCmd->pos.x;
camPos->y = pointCmd->pos.y;
camPos->z = pointCmd->pos.z;
}
interpState->curFrame++;
if (interpState->curFrame >= pointCmd->duration) {
// Finished
interpState->type = CS_CAM_INTERP_OFF;
return 1;
}
return 0;
}
void func_801624EC(f32 u, f32* coeff) {
f32 u1 = 1.0f - u;
coeff[0] = u1 * u1 * 0.5f;
coeff[1] = u * u1 + 0.5f;
coeff[2] = u * u * 0.5f;
}
s16 CutsceneCamera_Interp_MultiPointQuadratic(Vec3f* camPos, f32* camFov, s16* camRoll, CsCmdCamPoint* pointCmd,
CsCmdCamMisc* miscCmd, CutsceneCameraInterp* interpState) {
f32 new_var;
f32 coeff[3];
s32 waypoints[3];
if (interpState->type != CS_CAM_INTERP_MP_QUAD) {
// Initialize
interpState->type = CS_CAM_INTERP_MP_QUAD;
interpState->waypoint = 0;
interpState->duration = pointCmd->duration;
interpState->curFrame = 0;
}
new_var = (f32)interpState->curFrame / pointCmd[interpState->waypoint + 1].duration;
if (interpState->waypoint < (interpState->duration - 1)) {
waypoints[0] = interpState->waypoint;
} else {
waypoints[0] = interpState->duration - 1;
}
if ((interpState->waypoint + 1) < (interpState->duration - 1)) {
waypoints[1] = interpState->waypoint + 1;
} else {
waypoints[1] = interpState->duration - 1;
}
if ((interpState->waypoint + 2) < (interpState->duration - 1)) {
waypoints[2] = interpState->waypoint + 2;
} else {
waypoints[2] = interpState->duration - 1;
}
func_801624EC(new_var, coeff);
if (camPos != NULL) {
camPos->x = (coeff[0] * pointCmd[waypoints[0]].pos.x) + (coeff[1] * pointCmd[waypoints[1]].pos.x) +
(coeff[2] * pointCmd[waypoints[2]].pos.x);
camPos->y = (coeff[0] * pointCmd[waypoints[0]].pos.y) + (coeff[1] * pointCmd[waypoints[1]].pos.y) +
(coeff[2] * pointCmd[waypoints[2]].pos.y);
camPos->z = (coeff[0] * pointCmd[waypoints[0]].pos.z) + (coeff[1] * pointCmd[waypoints[1]].pos.z) +
(coeff[2] * pointCmd[waypoints[2]].pos.z);
}
if (camFov != NULL) {
*camFov = (coeff[0] * miscCmd[waypoints[0]].fov) + (coeff[1] * miscCmd[waypoints[1]].fov) +
(coeff[2] * miscCmd[waypoints[2]].fov);
}
if (camRoll != NULL) {
s16 targetRolls[3];
s32 sp28[2];
s32 rollDiffToTarget;
targetRolls[0] = CAM_DEG_TO_BINANG(miscCmd[waypoints[0]].roll);
targetRolls[1] = CAM_DEG_TO_BINANG(miscCmd[waypoints[1]].roll);
targetRolls[2] = CAM_DEG_TO_BINANG(miscCmd[waypoints[2]].roll);
sp28[0] = (s16)(targetRolls[1] - targetRolls[0]);
sp28[1] = sp28[0] + (s16)(targetRolls[2] - targetRolls[1]);
rollDiffToTarget = ((coeff[1] * sp28[0]) + (coeff[2] * sp28[1]));
*camRoll = targetRolls[0] + rollDiffToTarget;
}
interpState->curFrame++;
if (interpState->curFrame == pointCmd[interpState->waypoint + 1].duration) {
interpState->waypoint++;
interpState->curFrame = 0;
if (interpState->waypoint >= (interpState->duration - 2)) {
interpState->type = CS_CAM_INTERP_OFF;
return interpState->duration;
}
}
return 0;
}
/**
* This code is very similar to the spline system in OoT's func_800BB0A0
* in that it is based on the Super Mario 64 cutscene camera movement
*/
void func_801629BC(f32 u, f32* coeff) {
coeff[0] = (1.0f - u) * (1.0f - u) * (1.0f - u) * (1.0f / 6.0f);
coeff[1] = ((u * u * u * 0.5f) - u * u) + (2.0f / 3.0f);
coeff[2] = (u * u * u * -0.5f) + (u * u * 0.5f) + (u * 0.5f) + (1.0f / 6.0f);
coeff[3] = u * u * u * (1.0f / 6.0f);
}
s16 CutsceneCamera_Interp_MultiPointCubic(Vec3f* camPos, f32* camFov, s16* camRoll, CsCmdCamPoint* pointCmd,
CsCmdCamMisc* miscCmd, CutsceneCameraInterp* interpState) {
f32 new_var;
f32 coeff[4];
s32 waypoints[4];
if (interpState->type != CS_CAM_INTERP_MP_CUBIC) {
// Initialize
interpState->type = CS_CAM_INTERP_MP_CUBIC;
interpState->waypoint = 0;
interpState->duration = pointCmd->duration;
interpState->curFrame = 0;
}
new_var = (f32)interpState->curFrame / pointCmd[interpState->waypoint + 1].duration;
if (interpState->waypoint < (interpState->duration - 1)) {
waypoints[0] = interpState->waypoint;
} else {
waypoints[0] = interpState->duration - 1;
}
if ((interpState->waypoint + 1) < (interpState->duration - 1)) {
waypoints[1] = interpState->waypoint + 1;
} else {
waypoints[1] = interpState->duration - 1;
}
if ((interpState->waypoint + 2) < (interpState->duration - 1)) {
waypoints[2] = interpState->waypoint + 2;
} else {
waypoints[2] = interpState->duration - 1;
}
if ((interpState->waypoint + 3) < (interpState->duration - 1)) {
waypoints[3] = interpState->waypoint + 3;
} else {
waypoints[3] = interpState->duration - 1;
}
func_801629BC(new_var, coeff);
if (camPos != NULL) {
camPos->x = (coeff[0] * pointCmd[waypoints[0]].pos.x) + (coeff[1] * pointCmd[waypoints[1]].pos.x) +
(coeff[2] * pointCmd[waypoints[2]].pos.x) + (coeff[3] * pointCmd[waypoints[3]].pos.x);
camPos->y = (coeff[0] * pointCmd[waypoints[0]].pos.y) + (coeff[1] * pointCmd[waypoints[1]].pos.y) +
(coeff[2] * pointCmd[waypoints[2]].pos.y) + (coeff[3] * pointCmd[waypoints[3]].pos.y);
camPos->z = (coeff[0] * pointCmd[waypoints[0]].pos.z) + (coeff[1] * pointCmd[waypoints[1]].pos.z) +
(coeff[2] * pointCmd[waypoints[2]].pos.z) + (coeff[3] * pointCmd[waypoints[3]].pos.z);
}
if (camFov != NULL) {
*camFov = (coeff[0] * miscCmd[waypoints[0]].fov) + (coeff[1] * miscCmd[waypoints[1]].fov) +
(coeff[2] * miscCmd[waypoints[2]].fov) + (coeff[3] * miscCmd[waypoints[3]].fov);
}
if (camRoll != NULL) {
s16 targetRolls[4];
s32 sp2C[3];
s32 rollDiffToTarget;
targetRolls[0] = CAM_DEG_TO_BINANG(miscCmd[waypoints[0]].roll);
targetRolls[1] = CAM_DEG_TO_BINANG(miscCmd[waypoints[1]].roll);
targetRolls[2] = CAM_DEG_TO_BINANG(miscCmd[waypoints[2]].roll);
targetRolls[3] = CAM_DEG_TO_BINANG(miscCmd[waypoints[3]].roll);
sp2C[0] = (s16)(targetRolls[1] - targetRolls[0]);
sp2C[1] = sp2C[0] + (s16)(targetRolls[2] - targetRolls[1]);
sp2C[2] = sp2C[1] + (s16)(targetRolls[3] - targetRolls[2]);
rollDiffToTarget = ((coeff[1] * sp2C[0]) + (coeff[2] * sp2C[1]) + (coeff[3] * sp2C[2]));
*camRoll = targetRolls[0] + rollDiffToTarget;
}
interpState->curFrame++;
if (interpState->curFrame == pointCmd[interpState->waypoint + 1].duration) {
interpState->curFrame = 0;
interpState->waypoint++;
if (interpState->waypoint >= (interpState->duration - 3)) {
interpState->type = CS_CAM_INTERP_OFF;
return interpState->duration;
}
}
return 0;
}
f32 sCsCamKnots[38];
// Only used by unused CutsceneCamera_Interp_Unused
void func_80162FF8(s16 arg0) {
f32 val = 0.0f;
s32 i;
sCsCamKnots[0] = 0.0f;
sCsCamKnots[1] = 0.0f;
sCsCamKnots[2] = 0.0f;
for (i = 3; i < arg0; i++) {
if (i == 3) {
val += 0.9f;
} else if ((i == 4) || (i == (arg0 - 1))) {
val += 0.6f;
} else {
val += 0.3f;
}
sCsCamKnots[i] = val;
}
val += 0.9f;
sCsCamKnots[i++] = val;
sCsCamKnots[i++] = val;
sCsCamKnots[i++] = val;
}
#define FUNC_801631DC_ORDER 3
// Only used by unused CutsceneCamera_Interp_Unused
void func_801631DC(f32 progress, s32 arg2, f32* coeff) {
f32 coeffTemp[4][4];
s32 i;
s32 j;
s32 k;
for (i = 0; i < FUNC_801631DC_ORDER + 1; i++) {
for (j = 0; j < FUNC_801631DC_ORDER + 1; j++) {
coeffTemp[i][j] = 0.0f;
}
}
coeffTemp[0][FUNC_801631DC_ORDER - 1] = 1.0f;
for (i = 1; i < FUNC_801631DC_ORDER; i++) {
for (j = arg2 - i, k = (FUNC_801631DC_ORDER - 1) - i; j <= arg2; j++, k++) {
if (sCsCamKnots[j + i] != sCsCamKnots[j]) {
coeffTemp[i][k] =
((progress - sCsCamKnots[j]) / (sCsCamKnots[j + i] - sCsCamKnots[j])) * coeffTemp[i - 1][k];
} else {
coeffTemp[i][k] = 0.0f;
}
if (sCsCamKnots[j + i + 1] != sCsCamKnots[j + 1]) {
coeffTemp[i][k] +=
((sCsCamKnots[j + i + 1] - progress) / (sCsCamKnots[j + i + 1] - sCsCamKnots[j + 1])) *
coeffTemp[i - 1][k + 1];
}
}
}
for (j = 0; j < FUNC_801631DC_ORDER; j++) {
coeff[j] = coeffTemp[FUNC_801631DC_ORDER - 1][j];
}
}
s16 CutsceneCamera_Interp_Unused(Vec3f* camPos, f32* camFov, s16* camRoll, CsCmdCamPoint* pointCmd,
CsCmdCamMisc* miscCmd, CutsceneCameraInterp* interpState) {
s32 index;
f32 coeff[3];
if (interpState->type != CS_CAM_INTERP_MP_CUBIC) {
// Initialize
interpState->type = CS_CAM_INTERP_MP_CUBIC;
interpState->waypoint = 0;
interpState->duration = pointCmd->duration;
func_80162FF8(interpState->duration);
interpState->curFrame = 0;
}
index = interpState->waypoint + 2;
func_801631DC(F32_LERPIMP(sCsCamKnots[index], sCsCamKnots[index + 1],
(f32)interpState->curFrame / miscCmd[interpState->waypoint].unused0),
index, coeff);
if (camPos != NULL) {
camPos->x = (coeff[0] * pointCmd[interpState->waypoint].pos.x) +
(coeff[1] * pointCmd[interpState->waypoint + 1].pos.x) +
(coeff[2] * pointCmd[interpState->waypoint + 2].pos.x);
camPos->y = (coeff[0] * pointCmd[interpState->waypoint].pos.y) +
(coeff[1] * pointCmd[interpState->waypoint + 1].pos.y) +
(coeff[2] * pointCmd[interpState->waypoint + 2].pos.y);
camPos->z = (coeff[0] * pointCmd[interpState->waypoint].pos.z) +
(coeff[1] * pointCmd[interpState->waypoint + 1].pos.z) +
(coeff[2] * pointCmd[interpState->waypoint + 2].pos.z);
}
if (camFov != NULL) {
*camFov = (coeff[0] * miscCmd[interpState->waypoint].fov) +
(coeff[1] * miscCmd[interpState->waypoint + 1].fov) +
(coeff[2] * miscCmd[interpState->waypoint + 2].fov);
}
if (camRoll != NULL) {
*camRoll = CAM_DEG_TO_BINANG((coeff[0] * miscCmd[interpState->waypoint].roll) +
(coeff[1] * miscCmd[interpState->waypoint + 1].roll) +
(coeff[2] * miscCmd[interpState->waypoint + 2].roll));
}
interpState->curFrame++;
if (interpState->curFrame >= miscCmd[interpState->waypoint].unused0) {
interpState->waypoint++;
interpState->curFrame = 0;
if (interpState->waypoint >= (interpState->duration - 2)) {
interpState->type = CS_CAM_INTERP_OFF;
return interpState->duration;
}
}
return 0;
}
f32 func_80163660(Actor* actor) {
if (actor->category != ACTORCAT_PLAYER) {
return 38.0f - (actor->focus.pos.y - actor->world.pos.y);
}
switch (((Player*)actor)->transformation) {
case PLAYER_FORM_DEKU:
return -8.0f;
case PLAYER_FORM_GORON:
return 23.0f;
case PLAYER_FORM_ZORA:
return 27.0f;
case PLAYER_FORM_FIERCE_DEITY:
return 17.0f;
default:
return 0.0f;
}
}