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Document teleporter and escalator anim

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This commit is contained in:
GriffinR
2020-02-25 02:45:33 -05:00
parent 52da723afb
commit 15dbc58959
11 changed files with 402 additions and 288 deletions
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src/special_field_anim.c
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#include "global.h"
#include "event_data.h"
#include "task.h"
#include "field_player_avatar.h"
#include "fieldmap.h"
#include "field_camera.h"
#include "constants/metatile_labels.h"
static EWRAM_DATA u8 sEscalatorTaskId = 0;
static void SetEscalatorMetatile(u8 taskId, const s16 *metatileIds, u16 metatileMasks);
static void Task_DrawEscalator(u8 taskId);
static void Task_DrawTeleporterHousing(u8 taskId);
static void Task_DrawTeleporterCable(u8 taskId);
#define ESCALATOR_STAGES 3
#define LAST_ESCALATOR_STAGE (ESCALATOR_STAGES - 1)
static const u16 sEscalatorMetatiles_BottomNextRail[ESCALATOR_STAGES] =
{
METATILE_PokemonCenter_Escalator_BottomNextRail_Transition2,
METATILE_PokemonCenter_Escalator_BottomNextRail_Transition1,
METATILE_PokemonCenter_Escalator_BottomNextRail_Normal
};
static const u16 sEscalatorMetatiles_BottomRail[ESCALATOR_STAGES] =
{
METATILE_PokemonCenter_Escalator_BottomRail_Transition2,
METATILE_PokemonCenter_Escalator_BottomRail_Transition1,
METATILE_PokemonCenter_Escalator_BottomRail_Normal
};
static const u16 sEscalatorMetatiles_BottomNext[ESCALATOR_STAGES] =
{
METATILE_PokemonCenter_Escalator_BottomNext_Transition2,
METATILE_PokemonCenter_Escalator_BottomNext_Transition1,
METATILE_PokemonCenter_Escalator_BottomNext_Normal
};
static const u16 sEscalatorMetatiles_Bottom[ESCALATOR_STAGES] =
{
METATILE_PokemonCenter_Escalator_Bottom_Transition2,
METATILE_PokemonCenter_Escalator_Bottom_Transition1,
METATILE_PokemonCenter_Escalator_Bottom_Normal
};
static const u16 sEscalatorMetatiles_TopNext[ESCALATOR_STAGES] =
{
METATILE_PokemonCenter_Escalator_TopNext_Normal,
METATILE_PokemonCenter_Escalator_TopNext_Transition1,
METATILE_PokemonCenter_Escalator_TopNext_Transition2
};
static const u16 sEscalatorMetatiles_Top[ESCALATOR_STAGES] =
{
METATILE_PokemonCenter_Escalator_Top_Normal,
METATILE_PokemonCenter_Escalator_Top_Transition1,
METATILE_PokemonCenter_Escalator_Top_Transition2
};
static const u16 sEscalatorMetatiles_TopNextRail[ESCALATOR_STAGES] =
{
METATILE_PokemonCenter_Escalator_TopNextRail_Normal,
METATILE_PokemonCenter_Escalator_TopNextRail_Transition1,
METATILE_PokemonCenter_Escalator_TopNextRail_Transition2
};
#define tState data[0]
#define tTransitionStage data[1]
#define tGoingUp data[2]
#define tDrawingEscalator data[3]
#define tPlayerX data[4]
#define tPlayerY data[5]
static void SetEscalatorMetatile(u8 taskId, const s16 *metatileIds, u16 metatileMasks)
{
s16 x, y, transitionStage;
s16 i, j;
x = gTasks[taskId].tPlayerX - 1;
y = gTasks[taskId].tPlayerY - 1;
transitionStage = gTasks[taskId].tTransitionStage;
// Check all the escalator sections and only progress the selected one to the next stage
if (!gTasks[taskId].tGoingUp)
{
for (i = 0; i < 3; i++)
{
for (j = 0; j < 3; j++)
{
s32 id = MapGridGetMetatileIdAt(x + j, y + i);
if (metatileIds[transitionStage] == (s16)id)
{
if (transitionStage != LAST_ESCALATOR_STAGE)
MapGridSetMetatileIdAt(x + j, y + i, metatileMasks | metatileIds[transitionStage + 1]);
else
MapGridSetMetatileIdAt(x + j, y + i, metatileMasks | metatileIds[0]);
}
}
}
}
else
{
for (i = 0; i < 3; i++)
{
for (j = 0; j < 3; j++)
{
s32 id = MapGridGetMetatileIdAt(x + j, y + i);
if (metatileIds[LAST_ESCALATOR_STAGE - transitionStage] == (s16)id)
{
if (transitionStage != LAST_ESCALATOR_STAGE)
MapGridSetMetatileIdAt(x + j, y + i, metatileMasks | metatileIds[1 - transitionStage]);
else
MapGridSetMetatileIdAt(x + j, y + i, metatileMasks | metatileIds[LAST_ESCALATOR_STAGE]);
}
}
}
}
}
static void Task_DrawEscalator(u8 taskId)
{
s16 *data = gTasks[taskId].data;
u16 state;
tDrawingEscalator = TRUE;
// Set tile for each section of the escalator in sequence for current transition stage
switch (tState)
{
case 0:
SetEscalatorMetatile(taskId, sEscalatorMetatiles_BottomNextRail, 0);
break;
case 1:
SetEscalatorMetatile(taskId, sEscalatorMetatiles_BottomRail, 0);
break;
case 2:
SetEscalatorMetatile(taskId, sEscalatorMetatiles_BottomNext, METATILE_COLLISION_MASK);
break;
case 3:
SetEscalatorMetatile(taskId, sEscalatorMetatiles_Bottom, 0);
break;
case 4:
SetEscalatorMetatile(taskId, sEscalatorMetatiles_TopNext, METATILE_COLLISION_MASK);
break;
case 5:
SetEscalatorMetatile(taskId, sEscalatorMetatiles_Top, 0);
break;
case 6:
SetEscalatorMetatile(taskId, sEscalatorMetatiles_TopNextRail, 0);
default:
break;
}
tState = (tState + 1) & 7;
state = tState & 7;
// If all sections of the escalator have been set, draw map and progress to next stage
if (state == 0)
{
DrawWholeMapView();
tTransitionStage = (tTransitionStage + 1) % ESCALATOR_STAGES;
tDrawingEscalator = FALSE;
}
}
static u8 CreateEscalatorTask(bool16 goingUp)
{
u8 taskId;
s16 *data;
taskId = CreateTask(Task_DrawEscalator, 0);
data = gTasks[taskId].data;
PlayerGetDestCoords(&tPlayerX, &tPlayerY);
tState = 0;
tTransitionStage = 0;
tGoingUp = goingUp;
Task_DrawEscalator(taskId);
return taskId;
}
void StartEscalator(bool8 goingUp)
{
u8 taskId;
taskId = CreateEscalatorTask(goingUp);
sEscalatorTaskId = taskId;
}
void StopEscalator(void)
{
DestroyTask(sEscalatorTaskId);
}
bool8 IsEscalatorMoving(void)
{
if (gTasks[sEscalatorTaskId].tDrawingEscalator == FALSE)
{
if (gTasks[sEscalatorTaskId].tTransitionStage != LAST_ESCALATOR_STAGE)
return TRUE;
return FALSE;
}
else
{
return TRUE;
}
}
#undef tState
#undef tTransitionStage
#undef tGoingUp
#undef tDrawingEscalator
#undef tPlayerX
#undef tPlayerY
#define tTimer data[0]
#define tState data[1]
#define tX data[2]
#define tY data[3]
void AnimateTeleporterHousing(void)
{
u8 taskId;
s16 *data;
taskId = CreateTask(Task_DrawTeleporterHousing, 0);
gTasks[taskId].tTimer = 0;
gTasks[taskId].tState = 0;
data = gTasks[taskId].data;
PlayerGetDestCoords(&tX, &tY);
// Set the coords of whichever teleporter is being animated
// 0 for the right teleporter, 1 for the left teleporter
if (gSpecialVar_0x8004 == 0)
{
gTasks[taskId].tX += 6;
gTasks[taskId].tY -= 5;
}
else
{
gTasks[taskId].tX -= 1;
gTasks[taskId].tY -= 5;
}
}
static void Task_DrawTeleporterHousing(u8 taskId)
{
s16 *data = gTasks[taskId].data;
if (tTimer == 0)
{
// Alternate the teleporter light / brightness of the teleporter door
if ((tState & 1) == 0)
{
MapGridSetMetatileIdAt(tX, tY, METATILE_SeaCottage_Teleporter_Light_Yellow | METATILE_COLLISION_MASK);
MapGridSetMetatileIdAt(tX, tY + 2, METATILE_SeaCottage_Teleporter_Door_HalfGlowing | METATILE_COLLISION_MASK);
}
else
{
MapGridSetMetatileIdAt(tX, tY, METATILE_SeaCottage_Teleporter_Light_Red | METATILE_COLLISION_MASK);
MapGridSetMetatileIdAt(tX, tY + 2, METATILE_SeaCottage_Teleporter_Door_FullGlowing | METATILE_COLLISION_MASK);
}
CurrentMapDrawMetatileAt(tX, tY);
CurrentMapDrawMetatileAt(tX, tY + 2);
}
tTimer++;
if (tTimer != 16)
return;
tTimer = 0;
tState++;
if (tState != 13)
return;
MapGridSetMetatileIdAt(tX, tY, METATILE_SeaCottage_Teleporter_Light_Green | METATILE_COLLISION_MASK);
MapGridSetMetatileIdAt(tX, tY + 2, METATILE_SeaCottage_Teleporter_Door | METATILE_COLLISION_MASK);
CurrentMapDrawMetatileAt(tX, tY);
CurrentMapDrawMetatileAt(tX, tY + 2);
DestroyTask(taskId);
}
void AnimateTeleporterCable(void)
{
u8 taskId;
s16 *data;
taskId = CreateTask(Task_DrawTeleporterCable, 0);
gTasks[taskId].tTimer = 0;
gTasks[taskId].tState = 0;
data = gTasks[taskId].data;
PlayerGetDestCoords(&tX, &tY);
gTasks[taskId].tX += 4;
gTasks[taskId].tY -= 5;
}
static void Task_DrawTeleporterCable(u8 taskId)
{
s16 *data = gTasks[taskId].data;
if (tTimer == 0)
{
if (tState != 0)
{
// Set default cable tiles to clear the ball
MapGridSetMetatileIdAt(tX, tY, METATILE_SeaCottage_Teleporter_Cable_Top | METATILE_COLLISION_MASK);
MapGridSetMetatileIdAt(tX, tY + 1, METATILE_SeaCottage_Teleporter_Cable_Bottom | METATILE_COLLISION_MASK);
CurrentMapDrawMetatileAt(tX, tY);
CurrentMapDrawMetatileAt(tX, tY + 1);
// End after drawing 4 times (length of the cable)
if (tState == 4)
{
DestroyTask(taskId);
return;
}
tX--;
}
// Draw the cable ball
MapGridSetMetatileIdAt(tX, tY, METATILE_SeaCottage_Teleporter_CableBall_Top | METATILE_COLLISION_MASK);
MapGridSetMetatileIdAt(tX, tY + 1, METATILE_SeaCottage_Teleporter_CableBall_Bottom | METATILE_COLLISION_MASK);
CurrentMapDrawMetatileAt(tX, tY);
CurrentMapDrawMetatileAt(tX, tY + 1);
}
tTimer++;
if (tTimer == 4)
{
tTimer = 0;
tState++;
}
}
#undef tTimer
#undef tState
#undef tX
#undef tY