116 lines
4.6 KiB
C
116 lines
4.6 KiB
C
// sl_walking_penguin.c.inc
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struct SLWalkingPenguinStep {
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s32 stepLength;
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s32 anim;
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f32 speed;
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f32 animSpeed;
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};
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// The penguin follows a preset list of movements while walking forward.
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struct SLWalkingPenguinStep sSLWalkingPenguinErraticSteps[] = {
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{ 60, PENGUIN_ANIM_WALK, 6.0f, 1.0f }, // Walk forwards for 2 seconds
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{ 30, PENGUIN_ANIM_IDLE, 0.0f, 1.0f }, // Stop for 1 second
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{ 30, PENGUIN_ANIM_WALK, 12.0f, 2.0f }, // Walk forwards quickly for 1 second
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{ 30, PENGUIN_ANIM_IDLE, 0.0f, 1.0f }, // Stop for 1 second
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{ 30, PENGUIN_ANIM_WALK, -6.0f, 1.0f }, // Walk backwards for 1 second
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{ 30, PENGUIN_ANIM_IDLE, 0.0f, 1.0f }, // Stop for 1 second
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{ -1, 0, 0.0f, 0.0f } }; // Repeat
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static s32 sl_walking_penguin_turn(void) {
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// Stay still and use walking animation for the turn.
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o->oForwardVel = 0.0f;
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cur_obj_init_animation_with_accel_and_sound(PENGUIN_ANIM_WALK, 1.0f);
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// Turn around.
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o->oAngleVelYaw = 0x400;
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o->oMoveAngleYaw += o->oAngleVelYaw;
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if (o->oTimer == 31)
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return TRUE; // Finished turning
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else
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return FALSE;
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}
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void bhv_sl_walking_penguin_loop(void) {
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f32 adjustedXPos, adjustedZPos;
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f32 perpendicularOffset = 100.0f;
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o->oAngleVelYaw = 0;
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cur_obj_update_floor_and_walls();
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switch (o->oAction) {
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// Walk erratically across the ice bridge using preset steps.
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case SL_WALKING_PENGUIN_ACT_MOVING_FORWARDS:
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if (o->oTimer == 0) {
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// Initiate variables
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o->oSLWalkingPenguinCurStep = 0;
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o->oSLWalkingPenguinCurStepTimer = 0;
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}
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if (o->oSLWalkingPenguinCurStepTimer < sSLWalkingPenguinErraticSteps[o->oSLWalkingPenguinCurStep].stepLength)
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o->oSLWalkingPenguinCurStepTimer++;
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else {
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// Move to next step
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o->oSLWalkingPenguinCurStepTimer = 0;
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o->oSLWalkingPenguinCurStep++;
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if (sSLWalkingPenguinErraticSteps[o->oSLWalkingPenguinCurStep].stepLength < 0)
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// Reached the end of the list, go back to the start
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o->oSLWalkingPenguinCurStep = 0;
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}
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if (o->oPosX < 300.0f)
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o->oAction++; // If reached the end of the bridge, turn around and head back.
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else {
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// Move and animate the penguin
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o->oForwardVel = sSLWalkingPenguinErraticSteps[o->oSLWalkingPenguinCurStep].speed;
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cur_obj_init_animation_with_accel_and_sound(
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sSLWalkingPenguinErraticSteps[o->oSLWalkingPenguinCurStep].anim,
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sSLWalkingPenguinErraticSteps[o->oSLWalkingPenguinCurStep].animSpeed
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);
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}
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break;
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// At the end, turn around and prepare to head back across the bridge.
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case SL_WALKING_PENGUIN_ACT_TURNING_BACK:
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if (sl_walking_penguin_turn())
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o->oAction++; // Finished turning
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break;
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// Walk back across the bridge at a constant speed.
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case SL_WALKING_PENGUIN_ACT_RETURNING:
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// Move and animate the penguin
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o->oForwardVel = 12.0f;
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cur_obj_init_animation_with_accel_and_sound(PENGUIN_ANIM_WALK, 2.0f);
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if (o->oPosX > 1700.0f)
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o->oAction++; // If reached the start of the bridge, turn around.
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break;
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// At the start, turn around and prepare to walk erratically across the bridge.
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case SL_WALKING_PENGUIN_ACT_TURNING_FORWARDS:
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if (sl_walking_penguin_turn())
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o->oAction = SL_WALKING_PENGUIN_ACT_MOVING_FORWARDS; // Finished turning
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break;
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}
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cur_obj_move_standard(-78);
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if (!cur_obj_hide_if_mario_far_away_y(1000.0f))
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play_penguin_walking_sound(PENGUIN_WALK_BIG);
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// Adjust the position to get a point better lined up with the visual model, for stopping the wind.
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// The new point is 60 units behind the penguin and 100 units perpedicularly, away from the snowman.
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adjustedXPos = o->oPosX + sins(0xDBB0) * 60.0f; // 0xDBB0 = -51 degrees, the angle the penguin is facing
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adjustedZPos = o->oPosZ + coss(0xDBB0) * 60.0f;
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adjustedXPos += perpendicularOffset * sins(0x1BB0); // 0x1BB0 = 39 degrees, perpendicular to the penguin
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adjustedZPos += perpendicularOffset * coss(0x1BB0);
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o->oSLWalkingPenguinWindCollisionXPos = adjustedXPos;
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o->oSLWalkingPenguinWindCollisionZPos = adjustedZPos;
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print_debug_bottom_up("x %d", o->oPosX);
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print_debug_bottom_up("z %d", o->oPosZ);
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}
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