View source for Start searching for Highest Target Priority (0019c280)

 '''BATTLE.BIN''' :  - Start_searching_for_Highest_Target_Priority_(0019c280)
 Find the best Tile (Score based on priority and ennemy proximity) in AI 0xb94 Table (Potential destination)
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 Parameter : 
 Return : 
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 0019c280: 27bdfff0 addiu r29,r29,-0x0010     |
 0019c284: 3c0d7fff lui r13,0x7fff            |
 0019c288: 35adffff ori r13,r13,0xffff        |{{f/std|Default Score to beat}}
 0019c28c: 00005821 addu r11,r0,r0            |{{f/std|Initialize elevation counter}}
 0019c290: 0000c021 addu r24,r0,r0            |{{f/std|Initialize elevation offset}}
 0019c294: 3c08801a lui r8,0x801a             |
 0019c298: 2508f3c4 addiu r8,r8,0xf3c4        |{{f/adr|0x8019f3c4}}
 0019c29c: 01007821 addu r15,r8,r0            |
 0019c2a0: 01007021 addu r14,r8,r0            |
                                             {{f/bloop|LOOP - Elevation}}
 0019c2a4: 91020e3b lbu r2,0x0e3b(r8)             |{{f/load|Load Max Y}}
 0019c2a8: 00000000 nop                           |
 0019c2ac: 1840002d blez r2,0x0019c364            {{f/Cond|If Max Y is invalid : branch to }} {{f/loc|Next elevation }}
 0019c2b0: 00003821 addu r7,r0,r0                     |{{f/std|Initilialize Y counter}}
 0019c2b4: 0300c821 addu r25,r24,r0                   |{{f/std|Elevation offset}}
 0019c2b8: 25ea05f4 addiu r10,r15,0x05f4              |{{f/adr|Dynamic pointer to AI 0x5f4 (+ 0x240 each elevation iteration)}}
 0019c2bc: 25c90b94 addiu r9,r14,0x0b94               |{{f/adr|Dynamic pointer to AI 0x0b94 (+0x24 each elevation iteration)}} {{f/std|Table of destination Tiles (from where Caster can hit a target)}}
                                                 {{f/bloop|LOOP - Y rows}}
 0019c2c0: 95230000 lhu r3,0x0000(r9)                 |{{f/load|Load this Y row flags}} {{f/std|AI 0xb94 Table}}
 0019c2c4: 00000000 nop                               |
 0019c2c8: 10600020 beq r3,r0,0x0019c34c              {{f/Cond|If there is no tiles to move on in this row : branch to }} {{f/loc|Next Y row}}
 0019c2cc: 00000000 nop                               |
 0019c2d0: 91020e3a lbu r2,0x0e3a(r8)                 |{{f/load|Load Max X}}
 0019c2d4: 00000000 nop                               |
 0019c2d8: 1840001c blez r2,0x0019c34c                {{f/Cond|If Max X is invalid branch to }} {{f/loc|Next Y row}}
 0019c2dc: 00002821 addu r5,r0,r0                     |{{f/std|Initilialize X counter}}
 0019c2e0: 00606021 addu r12,r3,r0                    |{{f/std|This Y row halfword of X tiles Flags}}
 0019c2e4: 03281021 addu r2,r25,r8                    |{{f/std|AI pointer + elevation offset (0x120)}}
 0019c2e8: 24420174 addiu r2,r2,0x0174                |
 0019c2ec: 00071900 sll r3,r7,0x04                    |
 0019c2f0: 00621821 addu r3,r3,r2                     |{{f/adr|Dynamic pointer AI 0x0174 + Y offset + Elevation offset}} {{f/std|Tiles proximity score Table ( byte per tile)}}
 0019c2f4: 01403021 addu r6,r10,r0                    |{{f/adr|Dynamic pointer to AI 0x5f4 (+ 0x240 each elevation iteration)}}
                                                     {{f/bloop|LOOP - All Tiles in row}}
 0019c2f8: 00ac1004 sllv r2,r12,r5                        |{{f/std|Shift Y row of flag by X counter (bit of interest is in 0x8000 position)}}
 0019c2fc: 30428000 andi r2,r2,0x8000                     |
 0019c300: 1040000c beq r2,r0,0x0019c334                  {{f/Cond|If This Tile is not a potential destination : branch to }} {{f/loc|Next X tile}}
 0019c304: 00000000 nop                                   |
 0019c308: 84c40000 lh r4,0x0000(r6)                      |{{f/load|This Tile priority score}} {{f/adr|Dynamic pointer to AI 0x5f4 (with Elevation, Y and X offset)}}
 0019c30c: 90620000 lbu r2,0x0000(r3)                     |{{f/load|This Tile proximity score (the more units around, the higher)}} {{f/adr|Dynamic pointer to AI 0xa74 (with Elevation, Y and X offset)}}
 0019c310: 00042400 sll r4,r4,0x10                        |{{f/std|Priority score in upper part of a word (0x8000 becomes signed)}}
 0019c314: 00822021 addu r4,r4,r2                         |{{f/std|Priority + Proximity}}
 0019c318: 01a4102a slt r2,r13,r4                         |
 0019c31c: 14400005 bne r2,r0,0x0019c334                  {{f/Cond|If This Tile has a lower score (Priority + Proximity)}}
 0019c320: 00000000 nop                                       |
 0019c324: 00806821 addu r13,r4,r0                            |{{f/std|Update best Score found}}
 0019c328: a1050018 sb r5,0x0018(r8)                          |{{f/store|Save New X Coordinates}}
 0019c32c: a107001a sb r7,0x001a(r8)                          |{{f/store|Save New Y Coordinates}}
 0019c330: a10b0019 sb r11,0x0019(r8)                         |{{f/store|Save New Elevation}}
 0019c334: 24630001 addiu r3,r3,0x0001                    |{{f/std|Offset for AI 0x174}}
 0019c338: 91020e3a lbu r2,0x0e3a(r8)                     |{{f/load|Max X}}
 0019c33c: 24a50001 addiu r5,r5,0x0001                    |{{f/std|X counter + 1}}
 0019c340: 00a2102a slt r2,r5,r2                          |
 0019c344: 1440ffec bne r2,r0,0x0019c2f8              {{f/Cond|Loop while X < Max X}}
 0019c348: 24c60002 addiu r6,r6,0x0002                    |{{f/std|AI Table 0x5f4 Tile offset (halfword)}}
 0019c34c: 254a0020 addiu r10,r10,0x0020              |{{f/std|AI Table0x5f4 offset}}
 0019c350: 91020e3b lbu r2,0x0e3b(r8)                 |{{f/load|max Y}}
 0019c354: 24e70001 addiu r7,r7,0x0001                |{{f/std|Y counter +1}}
 0019c358: 00e2102a slt r2,r7,r2                      |
 0019c35c: 1440ffd8 bne r2,r0,0x0019c2c0          {{f/Cond|Loop While Y < Max Y}}
 0019c360: 25290002 addiu r9,r9,0x0002                |{{f/std|AI Table 0xb4c offset}}
 0019c364: 27180120 addiu r24,r24,0x0120          |{{f/std|AI 0x174 elevation offset}}
 0019c368: 25ef0240 addiu r15,r15,0x0240          |{{f/std|AI 0x5f4 elevation offset}}
 0019c36c: 256b0001 addiu r11,r11,0x0001          |{{f/std|Elevation counter +1}}
 0019c370: 29620002 slti r2,r11,0x0002            |
 0019c374: 1440ffcb bne r2,r0,0x0019c2a4      {{f/Cond|Loop twice}}
 0019c378: 25ce0024 addiu r14,r14,0x0024          |{{f/std|AI 0xb4c elevation offset}}
 0019c37c: 91030019 lbu r3,0x0019(r8)         |{{f/load|best Tile elevation}}
 0019c380: 9104001a lbu r4,0x001a(r8)         |{{f/load|best Tile Y coordinates}}
 0019c384: 91050018 lbu r5,0x0018(r8)         |{{f/load|best Tile X coordinates}}
 0019c388: 000310c0 sll r2,r3,0x03            |
 0019c38c: 00431021 addu r2,r2,r3             |
 0019c390: 00021080 sll r2,r2,0x02            |
 0019c394: 00481021 addu r2,r2,r8             |
 0019c398: 24420b94 addiu r2,r2,0x0b94        |
 0019c39c: 00042040 sll r4,r4,0x01            |
 0019c3a0: 00822021 addu r4,r4,r2             |{{f/adr|Pointer to AI 0xb94 best tile's Y row of flags}}
 0019c3a4: 34038000 ori r3,r0,0x8000          |{{f/std|Prepare bitmask}}
 0019c3a8: 94820000 lhu r2,0x0000(r4)         |{{f/load|Best Tile Y row of flags}}
 0019c3ac: 00a31807 srav r3,r3,r5             |{{f/std|Set The bitmask in Tile position}}
 0019c3b0: 00431026 xor r2,r2,r3              |
 0019c3b4: a4820000 sh r2,0x0000(r4)          |{{f/store|Disable best Tile flag}} {{f/std|Will be processed}}
 0019c3b8: 91020cbc lbu r2,0x0cbc(r8)         |
 0019c3bc: 00000000 nop                       |
 0019c3c0: 2442ffff addiu r2,r2,-0x0001       |
 0019c3c4: a1020cbc sb r2,0x0cbc(r8)          |{{f/store|Decrement Tile counter in AI 0xb94 Table}}
 0019c3c8: 27bd0010 addiu r29,r29,0x0010
 0019c3cc: 03e00008 jr r31
 0019c3d0: 00000000 nop
===Return locations===
 '''BATTLE.BIN'''
  0019c0b4: [[Find_Highest_Target_Priority_in_Ability_Range_(0019bf2c)]]