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Do some NPC documentation

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This commit is contained in:
Clownacy 2020-07-08 22:57:59 +01:00
parent 98c2a8880e
commit b016b22a1e
1 changed files with 49 additions and 39 deletions
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28
src/NpcAct000.cpp
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@ -144,12 +144,12 @@ void ActNpc001(NPCHAR *npc)
// Get framerects // Get framerects
RECT rect[6] = { RECT rect[6] = {
{0x00, 0x10, 0x10, 0x20}, { 0, 16, 16, 32},
{0x10, 0x10, 0x20, 0x20}, {16, 16, 32, 32},
{0x20, 0x10, 0x30, 0x20}, {32, 16, 48, 32},
{0x30, 0x10, 0x40, 0x20}, {48, 16, 64, 32},
{0x40, 0x10, 0x50, 0x20}, {64, 16, 80, 32},
{0x50, 0x10, 0x60, 0x20}, {80, 16, 96, 32},
}; };
RECT rcNo = {0, 0, 0, 0}; RECT rcNo = {0, 0, 0, 0};
@ -670,7 +670,7 @@ void ActNpc007(NPCHAR *npc)
switch (npc->act_no) switch (npc->act_no)
{ {
case 0: case 0:
npc->x = gMC.x; npc->x = gMC.x; // Spawn beneath player
if (npc->direct == 0) if (npc->direct == 0)
npc->act_no = 1; npc->act_no = 1;
@ -679,12 +679,14 @@ void ActNpc007(NPCHAR *npc)
break; break;
case 1: case 1: // Going left
npc->xm -= 0x40; npc->xm -= 0x40;
// Turn around if far enough away from the player
if (npc->x < gMC.x - (192 * 0x200)) if (npc->x < gMC.x - (192 * 0x200))
npc->act_no = 2; npc->act_no = 2;
// Turn around if touching a wall
if (npc->flag & 1) if (npc->flag & 1)
{ {
npc->xm = 0; npc->xm = 0;
@ -693,12 +695,14 @@ void ActNpc007(NPCHAR *npc)
break; break;
case 2: case 2: // Going right
npc->xm += 0x40; npc->xm += 0x40;
// Turn around if far enough away from the player
if (npc->x > gMC.x + (192 * 0x200)) if (npc->x > gMC.x + (192 * 0x200))
npc->act_no = 1; npc->act_no = 1;
// Turn around if touching a wall
if (npc->flag & 4) if (npc->flag & 4)
{ {
npc->xm = 0; npc->xm = 0;
@ -708,27 +712,33 @@ void ActNpc007(NPCHAR *npc)
break; break;
} }
// Face direction Bazil is moving
if (npc->xm < 0) if (npc->xm < 0)
npc->direct = 0; npc->direct = 0;
else else
npc->direct = 2; npc->direct = 2;
// Cap speed
if (npc->xm > 0x5FF) if (npc->xm > 0x5FF)
npc->xm = 0x5FF; npc->xm = 0x5FF;
if (npc->xm < -0x5FF) if (npc->xm < -0x5FF)
npc->xm = -0x5FF; npc->xm = -0x5FF;
// Apply momentum
npc->x += npc->xm; npc->x += npc->xm;
// Increment animation
if (++npc->ani_wait > 1) if (++npc->ani_wait > 1)
{ {
npc->ani_wait = 0; npc->ani_wait = 0;
++npc->ani_no; ++npc->ani_no;
} }
// Loop animation
if (npc->ani_no > 2) if (npc->ani_no > 2)
npc->ani_no = 0; npc->ani_no = 0;
// Update sprite
if (npc->direct == 0) if (npc->direct == 0)
npc->rect = rcLeft[npc->ani_no]; npc->rect = rcLeft[npc->ani_no];
else else